diff --git a/boards.txt b/boards.txt
index 083b5e740..86d58c06a 100644
--- a/boards.txt
+++ b/boards.txt
@@ -85,14 +85,14 @@ generic.menu.FlashMode.qout.build.flash_flags=-DFLASHMODE_QOUT
 generic.menu.FlashMode.qio=QIO (fast)
 generic.menu.FlashMode.qio.build.flash_mode=qio
 generic.menu.FlashMode.qio.build.flash_flags=-DFLASHMODE_QIO
-generic.menu.eesz.512K=512K (no SPIFFS)
+generic.menu.eesz.512K=512KB (FS:no OTA:~246KB)
 generic.menu.eesz.512K.build.flash_size=512K
 generic.menu.eesz.512K.build.flash_size_bytes=0x80000
 generic.menu.eesz.512K.build.flash_ld=eagle.flash.512k.ld
 generic.menu.eesz.512K.build.spiffs_pagesize=256
 generic.menu.eesz.512K.upload.maximum_size=499696
 generic.menu.eesz.512K.build.rfcal_addr=0x7C000
-generic.menu.eesz.512K32=512K (32K SPIFFS)
+generic.menu.eesz.512K32=512KB (FS:32KB OTA:~230KB)
 generic.menu.eesz.512K32.build.flash_size=512K
 generic.menu.eesz.512K32.build.flash_size_bytes=0x80000
 generic.menu.eesz.512K32.build.flash_ld=eagle.flash.512k32.ld
@@ -102,7 +102,7 @@ generic.menu.eesz.512K32.build.rfcal_addr=0x7C000
 generic.menu.eesz.512K32.build.spiffs_start=0x73000
 generic.menu.eesz.512K32.build.spiffs_end=0x7B000
 generic.menu.eesz.512K32.build.spiffs_blocksize=4096
-generic.menu.eesz.512K64=512K (64K SPIFFS)
+generic.menu.eesz.512K64=512KB (FS:64KB OTA:~214KB)
 generic.menu.eesz.512K64.build.flash_size=512K
 generic.menu.eesz.512K64.build.flash_size_bytes=0x80000
 generic.menu.eesz.512K64.build.flash_ld=eagle.flash.512k64.ld
@@ -112,7 +112,7 @@ generic.menu.eesz.512K64.build.rfcal_addr=0x7C000
 generic.menu.eesz.512K64.build.spiffs_start=0x6B000
 generic.menu.eesz.512K64.build.spiffs_end=0x7B000
 generic.menu.eesz.512K64.build.spiffs_blocksize=4096
-generic.menu.eesz.512K128=512K (128K SPIFFS)
+generic.menu.eesz.512K128=512KB (FS:128KB OTA:~182KB)
 generic.menu.eesz.512K128.build.flash_size=512K
 generic.menu.eesz.512K128.build.flash_size_bytes=0x80000
 generic.menu.eesz.512K128.build.flash_ld=eagle.flash.512k128.ld
@@ -122,14 +122,14 @@ generic.menu.eesz.512K128.build.rfcal_addr=0x7C000
 generic.menu.eesz.512K128.build.spiffs_start=0x5B000
 generic.menu.eesz.512K128.build.spiffs_end=0x7B000
 generic.menu.eesz.512K128.build.spiffs_blocksize=4096
-generic.menu.eesz.1M=1M (no SPIFFS)
+generic.menu.eesz.1M=1MB (FS:no OTA:~502KB)
 generic.menu.eesz.1M.build.flash_size=1M
 generic.menu.eesz.1M.build.flash_size_bytes=0x100000
 generic.menu.eesz.1M.build.flash_ld=eagle.flash.1m.ld
 generic.menu.eesz.1M.build.spiffs_pagesize=256
 generic.menu.eesz.1M.upload.maximum_size=1023984
 generic.menu.eesz.1M.build.rfcal_addr=0xFC000
-generic.menu.eesz.1M64=1M (64K SPIFFS)
+generic.menu.eesz.1M64=1MB (FS:64KB OTA:~470KB)
 generic.menu.eesz.1M64.build.flash_size=1M
 generic.menu.eesz.1M64.build.flash_size_bytes=0x100000
 generic.menu.eesz.1M64.build.flash_ld=eagle.flash.1m64.ld
@@ -139,7 +139,7 @@ generic.menu.eesz.1M64.build.rfcal_addr=0xFC000
 generic.menu.eesz.1M64.build.spiffs_start=0xEB000
 generic.menu.eesz.1M64.build.spiffs_end=0xFB000
 generic.menu.eesz.1M64.build.spiffs_blocksize=4096
-generic.menu.eesz.1M128=1M (128K SPIFFS)
+generic.menu.eesz.1M128=1MB (FS:128KB OTA:~438KB)
 generic.menu.eesz.1M128.build.flash_size=1M
 generic.menu.eesz.1M128.build.flash_size_bytes=0x100000
 generic.menu.eesz.1M128.build.flash_ld=eagle.flash.1m128.ld
@@ -149,7 +149,7 @@ generic.menu.eesz.1M128.build.rfcal_addr=0xFC000
 generic.menu.eesz.1M128.build.spiffs_start=0xDB000
 generic.menu.eesz.1M128.build.spiffs_end=0xFB000
 generic.menu.eesz.1M128.build.spiffs_blocksize=4096
-generic.menu.eesz.1M144=1M (144K SPIFFS)
+generic.menu.eesz.1M144=1MB (FS:144KB OTA:~430KB)
 generic.menu.eesz.1M144.build.flash_size=1M
 generic.menu.eesz.1M144.build.flash_size_bytes=0x100000
 generic.menu.eesz.1M144.build.flash_ld=eagle.flash.1m144.ld
@@ -159,7 +159,7 @@ generic.menu.eesz.1M144.build.rfcal_addr=0xFC000
 generic.menu.eesz.1M144.build.spiffs_start=0xD7000
 generic.menu.eesz.1M144.build.spiffs_end=0xFB000
 generic.menu.eesz.1M144.build.spiffs_blocksize=4096
-generic.menu.eesz.1M160=1M (160K SPIFFS)
+generic.menu.eesz.1M160=1MB (FS:160KB OTA:~422KB)
 generic.menu.eesz.1M160.build.flash_size=1M
 generic.menu.eesz.1M160.build.flash_size_bytes=0x100000
 generic.menu.eesz.1M160.build.flash_ld=eagle.flash.1m160.ld
@@ -169,7 +169,7 @@ generic.menu.eesz.1M160.build.rfcal_addr=0xFC000
 generic.menu.eesz.1M160.build.spiffs_start=0xD3000
 generic.menu.eesz.1M160.build.spiffs_end=0xFB000
 generic.menu.eesz.1M160.build.spiffs_blocksize=4096
-generic.menu.eesz.1M192=1M (192K SPIFFS)
+generic.menu.eesz.1M192=1MB (FS:192KB OTA:~406KB)
 generic.menu.eesz.1M192.build.flash_size=1M
 generic.menu.eesz.1M192.build.flash_size_bytes=0x100000
 generic.menu.eesz.1M192.build.flash_ld=eagle.flash.1m192.ld
@@ -179,7 +179,7 @@ generic.menu.eesz.1M192.build.rfcal_addr=0xFC000
 generic.menu.eesz.1M192.build.spiffs_start=0xCB000
 generic.menu.eesz.1M192.build.spiffs_end=0xFB000
 generic.menu.eesz.1M192.build.spiffs_blocksize=4096
-generic.menu.eesz.1M256=1M (256K SPIFFS)
+generic.menu.eesz.1M256=1MB (FS:256KB OTA:~374KB)
 generic.menu.eesz.1M256.build.flash_size=1M
 generic.menu.eesz.1M256.build.flash_size_bytes=0x100000
 generic.menu.eesz.1M256.build.flash_ld=eagle.flash.1m256.ld
@@ -189,7 +189,7 @@ generic.menu.eesz.1M256.build.rfcal_addr=0xFC000
 generic.menu.eesz.1M256.build.spiffs_start=0xBB000
 generic.menu.eesz.1M256.build.spiffs_end=0xFB000
 generic.menu.eesz.1M256.build.spiffs_blocksize=4096
-generic.menu.eesz.1M512=1M (512K SPIFFS)
+generic.menu.eesz.1M512=1MB (FS:512KB OTA:~246KB)
 generic.menu.eesz.1M512.build.flash_size=1M
 generic.menu.eesz.1M512.build.flash_size_bytes=0x100000
 generic.menu.eesz.1M512.build.flash_ld=eagle.flash.1m512.ld
@@ -199,14 +199,14 @@ generic.menu.eesz.1M512.build.rfcal_addr=0xFC000
 generic.menu.eesz.1M512.build.spiffs_start=0x7B000
 generic.menu.eesz.1M512.build.spiffs_end=0xFB000
 generic.menu.eesz.1M512.build.spiffs_blocksize=4096
-generic.menu.eesz.2M=2M (no SPIFFS)
+generic.menu.eesz.2M=2MB (FS:no OTA:~1019KB)
 generic.menu.eesz.2M.build.flash_size=2M
 generic.menu.eesz.2M.build.flash_size_bytes=0x200000
 generic.menu.eesz.2M.build.flash_ld=eagle.flash.2m.ld
 generic.menu.eesz.2M.build.spiffs_pagesize=256
 generic.menu.eesz.2M.upload.maximum_size=1044464
 generic.menu.eesz.2M.build.rfcal_addr=0x1FC000
-generic.menu.eesz.2M128=2M (128K SPIFFS)
+generic.menu.eesz.2M128=2MB (FS:128KB OTA:~960KB)
 generic.menu.eesz.2M128.build.flash_size=2M
 generic.menu.eesz.2M128.build.flash_size_bytes=0x200000
 generic.menu.eesz.2M128.build.flash_ld=eagle.flash.2m128.ld
@@ -216,7 +216,7 @@ generic.menu.eesz.2M128.build.rfcal_addr=0x1FC000
 generic.menu.eesz.2M128.build.spiffs_start=0x1E0000
 generic.menu.eesz.2M128.build.spiffs_end=0x1FB000
 generic.menu.eesz.2M128.build.spiffs_blocksize=4096
-generic.menu.eesz.2M256=2M (256K SPIFFS)
+generic.menu.eesz.2M256=2MB (FS:256KB OTA:~896KB)
 generic.menu.eesz.2M256.build.flash_size=2M
 generic.menu.eesz.2M256.build.flash_size_bytes=0x200000
 generic.menu.eesz.2M256.build.flash_ld=eagle.flash.2m256.ld
@@ -226,7 +226,7 @@ generic.menu.eesz.2M256.build.rfcal_addr=0x1FC000
 generic.menu.eesz.2M256.build.spiffs_start=0x1C0000
 generic.menu.eesz.2M256.build.spiffs_end=0x1FB000
 generic.menu.eesz.2M256.build.spiffs_blocksize=4096
-generic.menu.eesz.2M512=2M (512K SPIFFS)
+generic.menu.eesz.2M512=2MB (FS:512KB OTA:~768KB)
 generic.menu.eesz.2M512.build.flash_size=2M
 generic.menu.eesz.2M512.build.flash_size_bytes=0x200000
 generic.menu.eesz.2M512.build.flash_ld=eagle.flash.2m512.ld
@@ -236,7 +236,7 @@ generic.menu.eesz.2M512.build.rfcal_addr=0x1FC000
 generic.menu.eesz.2M512.build.spiffs_start=0x180000
 generic.menu.eesz.2M512.build.spiffs_end=0x1FB000
 generic.menu.eesz.2M512.build.spiffs_blocksize=8192
-generic.menu.eesz.2M1M=2M (1M SPIFFS)
+generic.menu.eesz.2M1M=2MB (FS:1MB OTA:~512KB)
 generic.menu.eesz.2M1M.build.flash_size=2M
 generic.menu.eesz.2M1M.build.flash_size_bytes=0x200000
 generic.menu.eesz.2M1M.build.flash_ld=eagle.flash.2m1m.ld
@@ -246,14 +246,14 @@ generic.menu.eesz.2M1M.build.rfcal_addr=0x1FC000
 generic.menu.eesz.2M1M.build.spiffs_start=0x100000
 generic.menu.eesz.2M1M.build.spiffs_end=0x1FB000
 generic.menu.eesz.2M1M.build.spiffs_blocksize=8192
-generic.menu.eesz.4M=4M (no SPIFFS)
+generic.menu.eesz.4M=4MB (FS:no OTA:~1019KB)
 generic.menu.eesz.4M.build.flash_size=4M
 generic.menu.eesz.4M.build.flash_size_bytes=0x400000
 generic.menu.eesz.4M.build.flash_ld=eagle.flash.4m.ld
 generic.menu.eesz.4M.build.spiffs_pagesize=256
 generic.menu.eesz.4M.upload.maximum_size=1044464
 generic.menu.eesz.4M.build.rfcal_addr=0x3FC000
-generic.menu.eesz.4M1M=4M (1M SPIFFS)
+generic.menu.eesz.4M1M=4MB (FS:1MB OTA:~1019KB)
 generic.menu.eesz.4M1M.build.flash_size=4M
 generic.menu.eesz.4M1M.build.flash_size_bytes=0x400000
 generic.menu.eesz.4M1M.build.flash_ld=eagle.flash.4m1m.ld
@@ -263,7 +263,7 @@ generic.menu.eesz.4M1M.build.rfcal_addr=0x3FC000
 generic.menu.eesz.4M1M.build.spiffs_start=0x300000
 generic.menu.eesz.4M1M.build.spiffs_end=0x3FB000
 generic.menu.eesz.4M1M.build.spiffs_blocksize=8192
-generic.menu.eesz.4M2M=4M (2M SPIFFS)
+generic.menu.eesz.4M2M=4MB (FS:2MB OTA:~1019KB)
 generic.menu.eesz.4M2M.build.flash_size=4M
 generic.menu.eesz.4M2M.build.flash_size_bytes=0x400000
 generic.menu.eesz.4M2M.build.flash_ld=eagle.flash.4m2m.ld
@@ -273,7 +273,7 @@ generic.menu.eesz.4M2M.build.rfcal_addr=0x3FC000
 generic.menu.eesz.4M2M.build.spiffs_start=0x200000
 generic.menu.eesz.4M2M.build.spiffs_end=0x3FB000
 generic.menu.eesz.4M2M.build.spiffs_blocksize=8192
-generic.menu.eesz.4M3M=4M (3M SPIFFS)
+generic.menu.eesz.4M3M=4MB (FS:3MB OTA:~512KB)
 generic.menu.eesz.4M3M.build.flash_size=4M
 generic.menu.eesz.4M3M.build.flash_size_bytes=0x400000
 generic.menu.eesz.4M3M.build.flash_ld=eagle.flash.4m3m.ld
@@ -283,7 +283,7 @@ generic.menu.eesz.4M3M.build.rfcal_addr=0x3FC000
 generic.menu.eesz.4M3M.build.spiffs_start=0x100000
 generic.menu.eesz.4M3M.build.spiffs_end=0x3FB000
 generic.menu.eesz.4M3M.build.spiffs_blocksize=8192
-generic.menu.eesz.8M6M=8M (6M SPIFFS)
+generic.menu.eesz.8M6M=8MB (FS:6MB OTA:~1019KB)
 generic.menu.eesz.8M6M.build.flash_size=8M
 generic.menu.eesz.8M6M.build.flash_size_bytes=0x800000
 generic.menu.eesz.8M6M.build.flash_ld=eagle.flash.8m6m.ld
@@ -293,7 +293,7 @@ generic.menu.eesz.8M6M.build.rfcal_addr=0x7FC000
 generic.menu.eesz.8M6M.build.spiffs_start=0x200000
 generic.menu.eesz.8M6M.build.spiffs_end=0x7FB000
 generic.menu.eesz.8M6M.build.spiffs_blocksize=8192
-generic.menu.eesz.8M7M=8M (7M SPIFFS)
+generic.menu.eesz.8M7M=8MB (FS:7MB OTA:~512KB)
 generic.menu.eesz.8M7M.build.flash_size=8M
 generic.menu.eesz.8M7M.build.flash_size_bytes=0x800000
 generic.menu.eesz.8M7M.build.flash_ld=eagle.flash.8m7m.ld
@@ -303,7 +303,7 @@ generic.menu.eesz.8M7M.build.rfcal_addr=0x7FC000
 generic.menu.eesz.8M7M.build.spiffs_start=0x100000
 generic.menu.eesz.8M7M.build.spiffs_end=0x7FB000
 generic.menu.eesz.8M7M.build.spiffs_blocksize=8192
-generic.menu.eesz.16M14M=16M (14M SPIFFS)
+generic.menu.eesz.16M14M=16MB (FS:14MB OTA:~1019KB)
 generic.menu.eesz.16M14M.build.flash_size=16M
 generic.menu.eesz.16M14M.build.flash_size_bytes=0x1000000
 generic.menu.eesz.16M14M.build.flash_ld=eagle.flash.16m14m.ld
@@ -313,7 +313,7 @@ generic.menu.eesz.16M14M.build.rfcal_addr=0xFFC000
 generic.menu.eesz.16M14M.build.spiffs_start=0x200000
 generic.menu.eesz.16M14M.build.spiffs_end=0xFFB000
 generic.menu.eesz.16M14M.build.spiffs_blocksize=8192
-generic.menu.eesz.16M15M=16M (15M SPIFFS)
+generic.menu.eesz.16M15M=16MB (FS:15MB OTA:~512KB)
 generic.menu.eesz.16M15M.build.flash_size=16M
 generic.menu.eesz.16M15M.build.flash_size_bytes=0x1000000
 generic.menu.eesz.16M15M.build.flash_ld=eagle.flash.16m15m.ld
@@ -522,14 +522,14 @@ esp8285.menu.CrystalFreq.40.build.extra_flags=-DF_CRYSTAL=40000000 -DESP8266
 esp8285.build.flash_mode=dout
 esp8285.build.flash_flags=-DFLASHMODE_DOUT
 esp8285.build.flash_freq=40
-esp8285.menu.eesz.1M=1M (no SPIFFS)
+esp8285.menu.eesz.1M=1MB (FS:no OTA:~502KB)
 esp8285.menu.eesz.1M.build.flash_size=1M
 esp8285.menu.eesz.1M.build.flash_size_bytes=0x100000
 esp8285.menu.eesz.1M.build.flash_ld=eagle.flash.1m.ld
 esp8285.menu.eesz.1M.build.spiffs_pagesize=256
 esp8285.menu.eesz.1M.upload.maximum_size=1023984
 esp8285.menu.eesz.1M.build.rfcal_addr=0xFC000
-esp8285.menu.eesz.1M64=1M (64K SPIFFS)
+esp8285.menu.eesz.1M64=1MB (FS:64KB OTA:~470KB)
 esp8285.menu.eesz.1M64.build.flash_size=1M
 esp8285.menu.eesz.1M64.build.flash_size_bytes=0x100000
 esp8285.menu.eesz.1M64.build.flash_ld=eagle.flash.1m64.ld
@@ -539,7 +539,7 @@ esp8285.menu.eesz.1M64.build.rfcal_addr=0xFC000
 esp8285.menu.eesz.1M64.build.spiffs_start=0xEB000
 esp8285.menu.eesz.1M64.build.spiffs_end=0xFB000
 esp8285.menu.eesz.1M64.build.spiffs_blocksize=4096
-esp8285.menu.eesz.1M128=1M (128K SPIFFS)
+esp8285.menu.eesz.1M128=1MB (FS:128KB OTA:~438KB)
 esp8285.menu.eesz.1M128.build.flash_size=1M
 esp8285.menu.eesz.1M128.build.flash_size_bytes=0x100000
 esp8285.menu.eesz.1M128.build.flash_ld=eagle.flash.1m128.ld
@@ -549,7 +549,7 @@ esp8285.menu.eesz.1M128.build.rfcal_addr=0xFC000
 esp8285.menu.eesz.1M128.build.spiffs_start=0xDB000
 esp8285.menu.eesz.1M128.build.spiffs_end=0xFB000
 esp8285.menu.eesz.1M128.build.spiffs_blocksize=4096
-esp8285.menu.eesz.1M144=1M (144K SPIFFS)
+esp8285.menu.eesz.1M144=1MB (FS:144KB OTA:~430KB)
 esp8285.menu.eesz.1M144.build.flash_size=1M
 esp8285.menu.eesz.1M144.build.flash_size_bytes=0x100000
 esp8285.menu.eesz.1M144.build.flash_ld=eagle.flash.1m144.ld
@@ -559,7 +559,7 @@ esp8285.menu.eesz.1M144.build.rfcal_addr=0xFC000
 esp8285.menu.eesz.1M144.build.spiffs_start=0xD7000
 esp8285.menu.eesz.1M144.build.spiffs_end=0xFB000
 esp8285.menu.eesz.1M144.build.spiffs_blocksize=4096
-esp8285.menu.eesz.1M160=1M (160K SPIFFS)
+esp8285.menu.eesz.1M160=1MB (FS:160KB OTA:~422KB)
 esp8285.menu.eesz.1M160.build.flash_size=1M
 esp8285.menu.eesz.1M160.build.flash_size_bytes=0x100000
 esp8285.menu.eesz.1M160.build.flash_ld=eagle.flash.1m160.ld
@@ -569,7 +569,7 @@ esp8285.menu.eesz.1M160.build.rfcal_addr=0xFC000
 esp8285.menu.eesz.1M160.build.spiffs_start=0xD3000
 esp8285.menu.eesz.1M160.build.spiffs_end=0xFB000
 esp8285.menu.eesz.1M160.build.spiffs_blocksize=4096
-esp8285.menu.eesz.1M192=1M (192K SPIFFS)
+esp8285.menu.eesz.1M192=1MB (FS:192KB OTA:~406KB)
 esp8285.menu.eesz.1M192.build.flash_size=1M
 esp8285.menu.eesz.1M192.build.flash_size_bytes=0x100000
 esp8285.menu.eesz.1M192.build.flash_ld=eagle.flash.1m192.ld
@@ -579,7 +579,7 @@ esp8285.menu.eesz.1M192.build.rfcal_addr=0xFC000
 esp8285.menu.eesz.1M192.build.spiffs_start=0xCB000
 esp8285.menu.eesz.1M192.build.spiffs_end=0xFB000
 esp8285.menu.eesz.1M192.build.spiffs_blocksize=4096
-esp8285.menu.eesz.1M256=1M (256K SPIFFS)
+esp8285.menu.eesz.1M256=1MB (FS:256KB OTA:~374KB)
 esp8285.menu.eesz.1M256.build.flash_size=1M
 esp8285.menu.eesz.1M256.build.flash_size_bytes=0x100000
 esp8285.menu.eesz.1M256.build.flash_ld=eagle.flash.1m256.ld
@@ -589,7 +589,7 @@ esp8285.menu.eesz.1M256.build.rfcal_addr=0xFC000
 esp8285.menu.eesz.1M256.build.spiffs_start=0xBB000
 esp8285.menu.eesz.1M256.build.spiffs_end=0xFB000
 esp8285.menu.eesz.1M256.build.spiffs_blocksize=4096
-esp8285.menu.eesz.1M512=1M (512K SPIFFS)
+esp8285.menu.eesz.1M512=1MB (FS:512KB OTA:~246KB)
 esp8285.menu.eesz.1M512.build.flash_size=1M
 esp8285.menu.eesz.1M512.build.flash_size_bytes=0x100000
 esp8285.menu.eesz.1M512.build.flash_ld=eagle.flash.1m512.ld
@@ -790,14 +790,14 @@ espduino.menu.ssl.basic.build.sslflags=-DBEARSSL_SSL_BASIC
 espduino.build.flash_mode=dio
 espduino.build.flash_flags=-DFLASHMODE_DIO
 espduino.build.flash_freq=40
-espduino.menu.eesz.4M=4M (no SPIFFS)
+espduino.menu.eesz.4M=4MB (FS:no OTA:~1019KB)
 espduino.menu.eesz.4M.build.flash_size=4M
 espduino.menu.eesz.4M.build.flash_size_bytes=0x400000
 espduino.menu.eesz.4M.build.flash_ld=eagle.flash.4m.ld
 espduino.menu.eesz.4M.build.spiffs_pagesize=256
 espduino.menu.eesz.4M.upload.maximum_size=1044464
 espduino.menu.eesz.4M.build.rfcal_addr=0x3FC000
-espduino.menu.eesz.4M1M=4M (1M SPIFFS)
+espduino.menu.eesz.4M1M=4MB (FS:1MB OTA:~1019KB)
 espduino.menu.eesz.4M1M.build.flash_size=4M
 espduino.menu.eesz.4M1M.build.flash_size_bytes=0x400000
 espduino.menu.eesz.4M1M.build.flash_ld=eagle.flash.4m1m.ld
@@ -807,7 +807,7 @@ espduino.menu.eesz.4M1M.build.rfcal_addr=0x3FC000
 espduino.menu.eesz.4M1M.build.spiffs_start=0x300000
 espduino.menu.eesz.4M1M.build.spiffs_end=0x3FB000
 espduino.menu.eesz.4M1M.build.spiffs_blocksize=8192
-espduino.menu.eesz.4M2M=4M (2M SPIFFS)
+espduino.menu.eesz.4M2M=4MB (FS:2MB OTA:~1019KB)
 espduino.menu.eesz.4M2M.build.flash_size=4M
 espduino.menu.eesz.4M2M.build.flash_size_bytes=0x400000
 espduino.menu.eesz.4M2M.build.flash_ld=eagle.flash.4m2m.ld
@@ -817,7 +817,7 @@ espduino.menu.eesz.4M2M.build.rfcal_addr=0x3FC000
 espduino.menu.eesz.4M2M.build.spiffs_start=0x200000
 espduino.menu.eesz.4M2M.build.spiffs_end=0x3FB000
 espduino.menu.eesz.4M2M.build.spiffs_blocksize=8192
-espduino.menu.eesz.4M3M=4M (3M SPIFFS)
+espduino.menu.eesz.4M3M=4MB (FS:3MB OTA:~512KB)
 espduino.menu.eesz.4M3M.build.flash_size=4M
 espduino.menu.eesz.4M3M.build.flash_size_bytes=0x400000
 espduino.menu.eesz.4M3M.build.flash_ld=eagle.flash.4m3m.ld
@@ -978,14 +978,14 @@ huzzah.upload.resetmethod=nodemcu
 huzzah.build.flash_mode=qio
 huzzah.build.flash_flags=-DFLASHMODE_QIO
 huzzah.build.flash_freq=40
-huzzah.menu.eesz.4M=4M (no SPIFFS)
+huzzah.menu.eesz.4M=4MB (FS:no OTA:~1019KB)
 huzzah.menu.eesz.4M.build.flash_size=4M
 huzzah.menu.eesz.4M.build.flash_size_bytes=0x400000
 huzzah.menu.eesz.4M.build.flash_ld=eagle.flash.4m.ld
 huzzah.menu.eesz.4M.build.spiffs_pagesize=256
 huzzah.menu.eesz.4M.upload.maximum_size=1044464
 huzzah.menu.eesz.4M.build.rfcal_addr=0x3FC000
-huzzah.menu.eesz.4M1M=4M (1M SPIFFS)
+huzzah.menu.eesz.4M1M=4MB (FS:1MB OTA:~1019KB)
 huzzah.menu.eesz.4M1M.build.flash_size=4M
 huzzah.menu.eesz.4M1M.build.flash_size_bytes=0x400000
 huzzah.menu.eesz.4M1M.build.flash_ld=eagle.flash.4m1m.ld
@@ -995,7 +995,7 @@ huzzah.menu.eesz.4M1M.build.rfcal_addr=0x3FC000
 huzzah.menu.eesz.4M1M.build.spiffs_start=0x300000
 huzzah.menu.eesz.4M1M.build.spiffs_end=0x3FB000
 huzzah.menu.eesz.4M1M.build.spiffs_blocksize=8192
-huzzah.menu.eesz.4M2M=4M (2M SPIFFS)
+huzzah.menu.eesz.4M2M=4MB (FS:2MB OTA:~1019KB)
 huzzah.menu.eesz.4M2M.build.flash_size=4M
 huzzah.menu.eesz.4M2M.build.flash_size_bytes=0x400000
 huzzah.menu.eesz.4M2M.build.flash_ld=eagle.flash.4m2m.ld
@@ -1005,7 +1005,7 @@ huzzah.menu.eesz.4M2M.build.rfcal_addr=0x3FC000
 huzzah.menu.eesz.4M2M.build.spiffs_start=0x200000
 huzzah.menu.eesz.4M2M.build.spiffs_end=0x3FB000
 huzzah.menu.eesz.4M2M.build.spiffs_blocksize=8192
-huzzah.menu.eesz.4M3M=4M (3M SPIFFS)
+huzzah.menu.eesz.4M3M=4MB (FS:3MB OTA:~512KB)
 huzzah.menu.eesz.4M3M.build.flash_size=4M
 huzzah.menu.eesz.4M3M.build.flash_size_bytes=0x400000
 huzzah.menu.eesz.4M3M.build.flash_ld=eagle.flash.4m3m.ld
@@ -1166,14 +1166,14 @@ inventone.upload.resetmethod=nodemcu
 inventone.build.flash_mode=dio
 inventone.build.flash_flags=-DFLASHMODE_DIO
 inventone.build.flash_freq=40
-inventone.menu.eesz.4M=4M (no SPIFFS)
+inventone.menu.eesz.4M=4MB (FS:no OTA:~1019KB)
 inventone.menu.eesz.4M.build.flash_size=4M
 inventone.menu.eesz.4M.build.flash_size_bytes=0x400000
 inventone.menu.eesz.4M.build.flash_ld=eagle.flash.4m.ld
 inventone.menu.eesz.4M.build.spiffs_pagesize=256
 inventone.menu.eesz.4M.upload.maximum_size=1044464
 inventone.menu.eesz.4M.build.rfcal_addr=0x3FC000
-inventone.menu.eesz.4M1M=4M (1M SPIFFS)
+inventone.menu.eesz.4M1M=4MB (FS:1MB OTA:~1019KB)
 inventone.menu.eesz.4M1M.build.flash_size=4M
 inventone.menu.eesz.4M1M.build.flash_size_bytes=0x400000
 inventone.menu.eesz.4M1M.build.flash_ld=eagle.flash.4m1m.ld
@@ -1183,7 +1183,7 @@ inventone.menu.eesz.4M1M.build.rfcal_addr=0x3FC000
 inventone.menu.eesz.4M1M.build.spiffs_start=0x300000
 inventone.menu.eesz.4M1M.build.spiffs_end=0x3FB000
 inventone.menu.eesz.4M1M.build.spiffs_blocksize=8192
-inventone.menu.eesz.4M2M=4M (2M SPIFFS)
+inventone.menu.eesz.4M2M=4MB (FS:2MB OTA:~1019KB)
 inventone.menu.eesz.4M2M.build.flash_size=4M
 inventone.menu.eesz.4M2M.build.flash_size_bytes=0x400000
 inventone.menu.eesz.4M2M.build.flash_ld=eagle.flash.4m2m.ld
@@ -1193,7 +1193,7 @@ inventone.menu.eesz.4M2M.build.rfcal_addr=0x3FC000
 inventone.menu.eesz.4M2M.build.spiffs_start=0x200000
 inventone.menu.eesz.4M2M.build.spiffs_end=0x3FB000
 inventone.menu.eesz.4M2M.build.spiffs_blocksize=8192
-inventone.menu.eesz.4M3M=4M (3M SPIFFS)
+inventone.menu.eesz.4M3M=4MB (FS:3MB OTA:~512KB)
 inventone.menu.eesz.4M3M.build.flash_size=4M
 inventone.menu.eesz.4M3M.build.flash_size_bytes=0x400000
 inventone.menu.eesz.4M3M.build.flash_ld=eagle.flash.4m3m.ld
@@ -1357,14 +1357,14 @@ cw01.menu.CrystalFreq.40.build.extra_flags=-DF_CRYSTAL=40000000 -DESP8266
 cw01.build.flash_mode=dio
 cw01.build.flash_flags=-DFLASHMODE_DIO
 cw01.build.flash_freq=40
-cw01.menu.eesz.4M=4M (no SPIFFS)
+cw01.menu.eesz.4M=4MB (FS:no OTA:~1019KB)
 cw01.menu.eesz.4M.build.flash_size=4M
 cw01.menu.eesz.4M.build.flash_size_bytes=0x400000
 cw01.menu.eesz.4M.build.flash_ld=eagle.flash.4m.ld
 cw01.menu.eesz.4M.build.spiffs_pagesize=256
 cw01.menu.eesz.4M.upload.maximum_size=1044464
 cw01.menu.eesz.4M.build.rfcal_addr=0x3FC000
-cw01.menu.eesz.4M1M=4M (1M SPIFFS)
+cw01.menu.eesz.4M1M=4MB (FS:1MB OTA:~1019KB)
 cw01.menu.eesz.4M1M.build.flash_size=4M
 cw01.menu.eesz.4M1M.build.flash_size_bytes=0x400000
 cw01.menu.eesz.4M1M.build.flash_ld=eagle.flash.4m1m.ld
@@ -1374,7 +1374,7 @@ cw01.menu.eesz.4M1M.build.rfcal_addr=0x3FC000
 cw01.menu.eesz.4M1M.build.spiffs_start=0x300000
 cw01.menu.eesz.4M1M.build.spiffs_end=0x3FB000
 cw01.menu.eesz.4M1M.build.spiffs_blocksize=8192
-cw01.menu.eesz.4M2M=4M (2M SPIFFS)
+cw01.menu.eesz.4M2M=4MB (FS:2MB OTA:~1019KB)
 cw01.menu.eesz.4M2M.build.flash_size=4M
 cw01.menu.eesz.4M2M.build.flash_size_bytes=0x400000
 cw01.menu.eesz.4M2M.build.flash_ld=eagle.flash.4m2m.ld
@@ -1384,7 +1384,7 @@ cw01.menu.eesz.4M2M.build.rfcal_addr=0x3FC000
 cw01.menu.eesz.4M2M.build.spiffs_start=0x200000
 cw01.menu.eesz.4M2M.build.spiffs_end=0x3FB000
 cw01.menu.eesz.4M2M.build.spiffs_blocksize=8192
-cw01.menu.eesz.4M3M=4M (3M SPIFFS)
+cw01.menu.eesz.4M3M=4MB (FS:3MB OTA:~512KB)
 cw01.menu.eesz.4M3M.build.flash_size=4M
 cw01.menu.eesz.4M3M.build.flash_size_bytes=0x400000
 cw01.menu.eesz.4M3M.build.flash_ld=eagle.flash.4m3m.ld
@@ -1544,14 +1544,14 @@ espresso_lite_v1.menu.ssl.basic.build.sslflags=-DBEARSSL_SSL_BASIC
 espresso_lite_v1.build.flash_mode=dio
 espresso_lite_v1.build.flash_flags=-DFLASHMODE_DIO
 espresso_lite_v1.build.flash_freq=40
-espresso_lite_v1.menu.eesz.4M=4M (no SPIFFS)
+espresso_lite_v1.menu.eesz.4M=4MB (FS:no OTA:~1019KB)
 espresso_lite_v1.menu.eesz.4M.build.flash_size=4M
 espresso_lite_v1.menu.eesz.4M.build.flash_size_bytes=0x400000
 espresso_lite_v1.menu.eesz.4M.build.flash_ld=eagle.flash.4m.ld
 espresso_lite_v1.menu.eesz.4M.build.spiffs_pagesize=256
 espresso_lite_v1.menu.eesz.4M.upload.maximum_size=1044464
 espresso_lite_v1.menu.eesz.4M.build.rfcal_addr=0x3FC000
-espresso_lite_v1.menu.eesz.4M1M=4M (1M SPIFFS)
+espresso_lite_v1.menu.eesz.4M1M=4MB (FS:1MB OTA:~1019KB)
 espresso_lite_v1.menu.eesz.4M1M.build.flash_size=4M
 espresso_lite_v1.menu.eesz.4M1M.build.flash_size_bytes=0x400000
 espresso_lite_v1.menu.eesz.4M1M.build.flash_ld=eagle.flash.4m1m.ld
@@ -1561,7 +1561,7 @@ espresso_lite_v1.menu.eesz.4M1M.build.rfcal_addr=0x3FC000
 espresso_lite_v1.menu.eesz.4M1M.build.spiffs_start=0x300000
 espresso_lite_v1.menu.eesz.4M1M.build.spiffs_end=0x3FB000
 espresso_lite_v1.menu.eesz.4M1M.build.spiffs_blocksize=8192
-espresso_lite_v1.menu.eesz.4M2M=4M (2M SPIFFS)
+espresso_lite_v1.menu.eesz.4M2M=4MB (FS:2MB OTA:~1019KB)
 espresso_lite_v1.menu.eesz.4M2M.build.flash_size=4M
 espresso_lite_v1.menu.eesz.4M2M.build.flash_size_bytes=0x400000
 espresso_lite_v1.menu.eesz.4M2M.build.flash_ld=eagle.flash.4m2m.ld
@@ -1571,7 +1571,7 @@ espresso_lite_v1.menu.eesz.4M2M.build.rfcal_addr=0x3FC000
 espresso_lite_v1.menu.eesz.4M2M.build.spiffs_start=0x200000
 espresso_lite_v1.menu.eesz.4M2M.build.spiffs_end=0x3FB000
 espresso_lite_v1.menu.eesz.4M2M.build.spiffs_blocksize=8192
-espresso_lite_v1.menu.eesz.4M3M=4M (3M SPIFFS)
+espresso_lite_v1.menu.eesz.4M3M=4MB (FS:3MB OTA:~512KB)
 espresso_lite_v1.menu.eesz.4M3M.build.flash_size=4M
 espresso_lite_v1.menu.eesz.4M3M.build.flash_size_bytes=0x400000
 espresso_lite_v1.menu.eesz.4M3M.build.flash_ld=eagle.flash.4m3m.ld
@@ -1735,14 +1735,14 @@ espresso_lite_v2.menu.ssl.basic.build.sslflags=-DBEARSSL_SSL_BASIC
 espresso_lite_v2.build.flash_mode=dio
 espresso_lite_v2.build.flash_flags=-DFLASHMODE_DIO
 espresso_lite_v2.build.flash_freq=40
-espresso_lite_v2.menu.eesz.4M=4M (no SPIFFS)
+espresso_lite_v2.menu.eesz.4M=4MB (FS:no OTA:~1019KB)
 espresso_lite_v2.menu.eesz.4M.build.flash_size=4M
 espresso_lite_v2.menu.eesz.4M.build.flash_size_bytes=0x400000
 espresso_lite_v2.menu.eesz.4M.build.flash_ld=eagle.flash.4m.ld
 espresso_lite_v2.menu.eesz.4M.build.spiffs_pagesize=256
 espresso_lite_v2.menu.eesz.4M.upload.maximum_size=1044464
 espresso_lite_v2.menu.eesz.4M.build.rfcal_addr=0x3FC000
-espresso_lite_v2.menu.eesz.4M1M=4M (1M SPIFFS)
+espresso_lite_v2.menu.eesz.4M1M=4MB (FS:1MB OTA:~1019KB)
 espresso_lite_v2.menu.eesz.4M1M.build.flash_size=4M
 espresso_lite_v2.menu.eesz.4M1M.build.flash_size_bytes=0x400000
 espresso_lite_v2.menu.eesz.4M1M.build.flash_ld=eagle.flash.4m1m.ld
@@ -1752,7 +1752,7 @@ espresso_lite_v2.menu.eesz.4M1M.build.rfcal_addr=0x3FC000
 espresso_lite_v2.menu.eesz.4M1M.build.spiffs_start=0x300000
 espresso_lite_v2.menu.eesz.4M1M.build.spiffs_end=0x3FB000
 espresso_lite_v2.menu.eesz.4M1M.build.spiffs_blocksize=8192
-espresso_lite_v2.menu.eesz.4M2M=4M (2M SPIFFS)
+espresso_lite_v2.menu.eesz.4M2M=4MB (FS:2MB OTA:~1019KB)
 espresso_lite_v2.menu.eesz.4M2M.build.flash_size=4M
 espresso_lite_v2.menu.eesz.4M2M.build.flash_size_bytes=0x400000
 espresso_lite_v2.menu.eesz.4M2M.build.flash_ld=eagle.flash.4m2m.ld
@@ -1762,7 +1762,7 @@ espresso_lite_v2.menu.eesz.4M2M.build.rfcal_addr=0x3FC000
 espresso_lite_v2.menu.eesz.4M2M.build.spiffs_start=0x200000
 espresso_lite_v2.menu.eesz.4M2M.build.spiffs_end=0x3FB000
 espresso_lite_v2.menu.eesz.4M2M.build.spiffs_blocksize=8192
-espresso_lite_v2.menu.eesz.4M3M=4M (3M SPIFFS)
+espresso_lite_v2.menu.eesz.4M3M=4MB (FS:3MB OTA:~512KB)
 espresso_lite_v2.menu.eesz.4M3M.build.flash_size=4M
 espresso_lite_v2.menu.eesz.4M3M.build.flash_size_bytes=0x400000
 espresso_lite_v2.menu.eesz.4M3M.build.flash_ld=eagle.flash.4m3m.ld
@@ -1926,14 +1926,14 @@ phoenix_v1.menu.ssl.basic.build.sslflags=-DBEARSSL_SSL_BASIC
 phoenix_v1.build.flash_mode=dio
 phoenix_v1.build.flash_flags=-DFLASHMODE_DIO
 phoenix_v1.build.flash_freq=40
-phoenix_v1.menu.eesz.4M=4M (no SPIFFS)
+phoenix_v1.menu.eesz.4M=4MB (FS:no OTA:~1019KB)
 phoenix_v1.menu.eesz.4M.build.flash_size=4M
 phoenix_v1.menu.eesz.4M.build.flash_size_bytes=0x400000
 phoenix_v1.menu.eesz.4M.build.flash_ld=eagle.flash.4m.ld
 phoenix_v1.menu.eesz.4M.build.spiffs_pagesize=256
 phoenix_v1.menu.eesz.4M.upload.maximum_size=1044464
 phoenix_v1.menu.eesz.4M.build.rfcal_addr=0x3FC000
-phoenix_v1.menu.eesz.4M1M=4M (1M SPIFFS)
+phoenix_v1.menu.eesz.4M1M=4MB (FS:1MB OTA:~1019KB)
 phoenix_v1.menu.eesz.4M1M.build.flash_size=4M
 phoenix_v1.menu.eesz.4M1M.build.flash_size_bytes=0x400000
 phoenix_v1.menu.eesz.4M1M.build.flash_ld=eagle.flash.4m1m.ld
@@ -1943,7 +1943,7 @@ phoenix_v1.menu.eesz.4M1M.build.rfcal_addr=0x3FC000
 phoenix_v1.menu.eesz.4M1M.build.spiffs_start=0x300000
 phoenix_v1.menu.eesz.4M1M.build.spiffs_end=0x3FB000
 phoenix_v1.menu.eesz.4M1M.build.spiffs_blocksize=8192
-phoenix_v1.menu.eesz.4M2M=4M (2M SPIFFS)
+phoenix_v1.menu.eesz.4M2M=4MB (FS:2MB OTA:~1019KB)
 phoenix_v1.menu.eesz.4M2M.build.flash_size=4M
 phoenix_v1.menu.eesz.4M2M.build.flash_size_bytes=0x400000
 phoenix_v1.menu.eesz.4M2M.build.flash_ld=eagle.flash.4m2m.ld
@@ -1953,7 +1953,7 @@ phoenix_v1.menu.eesz.4M2M.build.rfcal_addr=0x3FC000
 phoenix_v1.menu.eesz.4M2M.build.spiffs_start=0x200000
 phoenix_v1.menu.eesz.4M2M.build.spiffs_end=0x3FB000
 phoenix_v1.menu.eesz.4M2M.build.spiffs_blocksize=8192
-phoenix_v1.menu.eesz.4M3M=4M (3M SPIFFS)
+phoenix_v1.menu.eesz.4M3M=4MB (FS:3MB OTA:~512KB)
 phoenix_v1.menu.eesz.4M3M.build.flash_size=4M
 phoenix_v1.menu.eesz.4M3M.build.flash_size_bytes=0x400000
 phoenix_v1.menu.eesz.4M3M.build.flash_ld=eagle.flash.4m3m.ld
@@ -2117,14 +2117,14 @@ phoenix_v2.menu.ssl.basic.build.sslflags=-DBEARSSL_SSL_BASIC
 phoenix_v2.build.flash_mode=dio
 phoenix_v2.build.flash_flags=-DFLASHMODE_DIO
 phoenix_v2.build.flash_freq=40
-phoenix_v2.menu.eesz.4M=4M (no SPIFFS)
+phoenix_v2.menu.eesz.4M=4MB (FS:no OTA:~1019KB)
 phoenix_v2.menu.eesz.4M.build.flash_size=4M
 phoenix_v2.menu.eesz.4M.build.flash_size_bytes=0x400000
 phoenix_v2.menu.eesz.4M.build.flash_ld=eagle.flash.4m.ld
 phoenix_v2.menu.eesz.4M.build.spiffs_pagesize=256
 phoenix_v2.menu.eesz.4M.upload.maximum_size=1044464
 phoenix_v2.menu.eesz.4M.build.rfcal_addr=0x3FC000
-phoenix_v2.menu.eesz.4M1M=4M (1M SPIFFS)
+phoenix_v2.menu.eesz.4M1M=4MB (FS:1MB OTA:~1019KB)
 phoenix_v2.menu.eesz.4M1M.build.flash_size=4M
 phoenix_v2.menu.eesz.4M1M.build.flash_size_bytes=0x400000
 phoenix_v2.menu.eesz.4M1M.build.flash_ld=eagle.flash.4m1m.ld
@@ -2134,7 +2134,7 @@ phoenix_v2.menu.eesz.4M1M.build.rfcal_addr=0x3FC000
 phoenix_v2.menu.eesz.4M1M.build.spiffs_start=0x300000
 phoenix_v2.menu.eesz.4M1M.build.spiffs_end=0x3FB000
 phoenix_v2.menu.eesz.4M1M.build.spiffs_blocksize=8192
-phoenix_v2.menu.eesz.4M2M=4M (2M SPIFFS)
+phoenix_v2.menu.eesz.4M2M=4MB (FS:2MB OTA:~1019KB)
 phoenix_v2.menu.eesz.4M2M.build.flash_size=4M
 phoenix_v2.menu.eesz.4M2M.build.flash_size_bytes=0x400000
 phoenix_v2.menu.eesz.4M2M.build.flash_ld=eagle.flash.4m2m.ld
@@ -2144,7 +2144,7 @@ phoenix_v2.menu.eesz.4M2M.build.rfcal_addr=0x3FC000
 phoenix_v2.menu.eesz.4M2M.build.spiffs_start=0x200000
 phoenix_v2.menu.eesz.4M2M.build.spiffs_end=0x3FB000
 phoenix_v2.menu.eesz.4M2M.build.spiffs_blocksize=8192
-phoenix_v2.menu.eesz.4M3M=4M (3M SPIFFS)
+phoenix_v2.menu.eesz.4M3M=4MB (FS:3MB OTA:~512KB)
 phoenix_v2.menu.eesz.4M3M.build.flash_size=4M
 phoenix_v2.menu.eesz.4M3M.build.flash_size_bytes=0x400000
 phoenix_v2.menu.eesz.4M3M.build.flash_ld=eagle.flash.4m3m.ld
@@ -2309,14 +2309,14 @@ nodemcu.upload.resetmethod=nodemcu
 nodemcu.build.flash_mode=qio
 nodemcu.build.flash_flags=-DFLASHMODE_QIO
 nodemcu.build.flash_freq=40
-nodemcu.menu.eesz.4M=4M (no SPIFFS)
+nodemcu.menu.eesz.4M=4MB (FS:no OTA:~1019KB)
 nodemcu.menu.eesz.4M.build.flash_size=4M
 nodemcu.menu.eesz.4M.build.flash_size_bytes=0x400000
 nodemcu.menu.eesz.4M.build.flash_ld=eagle.flash.4m.ld
 nodemcu.menu.eesz.4M.build.spiffs_pagesize=256
 nodemcu.menu.eesz.4M.upload.maximum_size=1044464
 nodemcu.menu.eesz.4M.build.rfcal_addr=0x3FC000
-nodemcu.menu.eesz.4M1M=4M (1M SPIFFS)
+nodemcu.menu.eesz.4M1M=4MB (FS:1MB OTA:~1019KB)
 nodemcu.menu.eesz.4M1M.build.flash_size=4M
 nodemcu.menu.eesz.4M1M.build.flash_size_bytes=0x400000
 nodemcu.menu.eesz.4M1M.build.flash_ld=eagle.flash.4m1m.ld
@@ -2326,7 +2326,7 @@ nodemcu.menu.eesz.4M1M.build.rfcal_addr=0x3FC000
 nodemcu.menu.eesz.4M1M.build.spiffs_start=0x300000
 nodemcu.menu.eesz.4M1M.build.spiffs_end=0x3FB000
 nodemcu.menu.eesz.4M1M.build.spiffs_blocksize=8192
-nodemcu.menu.eesz.4M2M=4M (2M SPIFFS)
+nodemcu.menu.eesz.4M2M=4MB (FS:2MB OTA:~1019KB)
 nodemcu.menu.eesz.4M2M.build.flash_size=4M
 nodemcu.menu.eesz.4M2M.build.flash_size_bytes=0x400000
 nodemcu.menu.eesz.4M2M.build.flash_ld=eagle.flash.4m2m.ld
@@ -2336,7 +2336,7 @@ nodemcu.menu.eesz.4M2M.build.rfcal_addr=0x3FC000
 nodemcu.menu.eesz.4M2M.build.spiffs_start=0x200000
 nodemcu.menu.eesz.4M2M.build.spiffs_end=0x3FB000
 nodemcu.menu.eesz.4M2M.build.spiffs_blocksize=8192
-nodemcu.menu.eesz.4M3M=4M (3M SPIFFS)
+nodemcu.menu.eesz.4M3M=4MB (FS:3MB OTA:~512KB)
 nodemcu.menu.eesz.4M3M.build.flash_size=4M
 nodemcu.menu.eesz.4M3M.build.flash_size_bytes=0x400000
 nodemcu.menu.eesz.4M3M.build.flash_ld=eagle.flash.4m3m.ld
@@ -2497,14 +2497,14 @@ nodemcuv2.upload.resetmethod=nodemcu
 nodemcuv2.build.flash_mode=dio
 nodemcuv2.build.flash_flags=-DFLASHMODE_DIO
 nodemcuv2.build.flash_freq=40
-nodemcuv2.menu.eesz.4M=4M (no SPIFFS)
+nodemcuv2.menu.eesz.4M=4MB (FS:no OTA:~1019KB)
 nodemcuv2.menu.eesz.4M.build.flash_size=4M
 nodemcuv2.menu.eesz.4M.build.flash_size_bytes=0x400000
 nodemcuv2.menu.eesz.4M.build.flash_ld=eagle.flash.4m.ld
 nodemcuv2.menu.eesz.4M.build.spiffs_pagesize=256
 nodemcuv2.menu.eesz.4M.upload.maximum_size=1044464
 nodemcuv2.menu.eesz.4M.build.rfcal_addr=0x3FC000
-nodemcuv2.menu.eesz.4M1M=4M (1M SPIFFS)
+nodemcuv2.menu.eesz.4M1M=4MB (FS:1MB OTA:~1019KB)
 nodemcuv2.menu.eesz.4M1M.build.flash_size=4M
 nodemcuv2.menu.eesz.4M1M.build.flash_size_bytes=0x400000
 nodemcuv2.menu.eesz.4M1M.build.flash_ld=eagle.flash.4m1m.ld
@@ -2514,7 +2514,7 @@ nodemcuv2.menu.eesz.4M1M.build.rfcal_addr=0x3FC000
 nodemcuv2.menu.eesz.4M1M.build.spiffs_start=0x300000
 nodemcuv2.menu.eesz.4M1M.build.spiffs_end=0x3FB000
 nodemcuv2.menu.eesz.4M1M.build.spiffs_blocksize=8192
-nodemcuv2.menu.eesz.4M2M=4M (2M SPIFFS)
+nodemcuv2.menu.eesz.4M2M=4MB (FS:2MB OTA:~1019KB)
 nodemcuv2.menu.eesz.4M2M.build.flash_size=4M
 nodemcuv2.menu.eesz.4M2M.build.flash_size_bytes=0x400000
 nodemcuv2.menu.eesz.4M2M.build.flash_ld=eagle.flash.4m2m.ld
@@ -2524,7 +2524,7 @@ nodemcuv2.menu.eesz.4M2M.build.rfcal_addr=0x3FC000
 nodemcuv2.menu.eesz.4M2M.build.spiffs_start=0x200000
 nodemcuv2.menu.eesz.4M2M.build.spiffs_end=0x3FB000
 nodemcuv2.menu.eesz.4M2M.build.spiffs_blocksize=8192
-nodemcuv2.menu.eesz.4M3M=4M (3M SPIFFS)
+nodemcuv2.menu.eesz.4M3M=4MB (FS:3MB OTA:~512KB)
 nodemcuv2.menu.eesz.4M3M.build.flash_size=4M
 nodemcuv2.menu.eesz.4M3M.build.flash_size_bytes=0x400000
 nodemcuv2.menu.eesz.4M3M.build.flash_ld=eagle.flash.4m3m.ld
@@ -2685,14 +2685,14 @@ modwifi.upload.resetmethod=ck
 modwifi.build.flash_mode=qio
 modwifi.build.flash_flags=-DFLASHMODE_QIO
 modwifi.build.flash_freq=40
-modwifi.menu.eesz.2M=2M (no SPIFFS)
+modwifi.menu.eesz.2M=2MB (FS:no OTA:~1019KB)
 modwifi.menu.eesz.2M.build.flash_size=2M
 modwifi.menu.eesz.2M.build.flash_size_bytes=0x200000
 modwifi.menu.eesz.2M.build.flash_ld=eagle.flash.2m.ld
 modwifi.menu.eesz.2M.build.spiffs_pagesize=256
 modwifi.menu.eesz.2M.upload.maximum_size=1044464
 modwifi.menu.eesz.2M.build.rfcal_addr=0x1FC000
-modwifi.menu.eesz.2M128=2M (128K SPIFFS)
+modwifi.menu.eesz.2M128=2MB (FS:128KB OTA:~960KB)
 modwifi.menu.eesz.2M128.build.flash_size=2M
 modwifi.menu.eesz.2M128.build.flash_size_bytes=0x200000
 modwifi.menu.eesz.2M128.build.flash_ld=eagle.flash.2m128.ld
@@ -2702,7 +2702,7 @@ modwifi.menu.eesz.2M128.build.rfcal_addr=0x1FC000
 modwifi.menu.eesz.2M128.build.spiffs_start=0x1E0000
 modwifi.menu.eesz.2M128.build.spiffs_end=0x1FB000
 modwifi.menu.eesz.2M128.build.spiffs_blocksize=4096
-modwifi.menu.eesz.2M256=2M (256K SPIFFS)
+modwifi.menu.eesz.2M256=2MB (FS:256KB OTA:~896KB)
 modwifi.menu.eesz.2M256.build.flash_size=2M
 modwifi.menu.eesz.2M256.build.flash_size_bytes=0x200000
 modwifi.menu.eesz.2M256.build.flash_ld=eagle.flash.2m256.ld
@@ -2712,7 +2712,7 @@ modwifi.menu.eesz.2M256.build.rfcal_addr=0x1FC000
 modwifi.menu.eesz.2M256.build.spiffs_start=0x1C0000
 modwifi.menu.eesz.2M256.build.spiffs_end=0x1FB000
 modwifi.menu.eesz.2M256.build.spiffs_blocksize=4096
-modwifi.menu.eesz.2M512=2M (512K SPIFFS)
+modwifi.menu.eesz.2M512=2MB (FS:512KB OTA:~768KB)
 modwifi.menu.eesz.2M512.build.flash_size=2M
 modwifi.menu.eesz.2M512.build.flash_size_bytes=0x200000
 modwifi.menu.eesz.2M512.build.flash_ld=eagle.flash.2m512.ld
@@ -2722,7 +2722,7 @@ modwifi.menu.eesz.2M512.build.rfcal_addr=0x1FC000
 modwifi.menu.eesz.2M512.build.spiffs_start=0x180000
 modwifi.menu.eesz.2M512.build.spiffs_end=0x1FB000
 modwifi.menu.eesz.2M512.build.spiffs_blocksize=8192
-modwifi.menu.eesz.2M1M=2M (1M SPIFFS)
+modwifi.menu.eesz.2M1M=2MB (FS:1MB OTA:~512KB)
 modwifi.menu.eesz.2M1M.build.flash_size=2M
 modwifi.menu.eesz.2M1M.build.flash_size_bytes=0x200000
 modwifi.menu.eesz.2M1M.build.flash_ld=eagle.flash.2m1m.ld
@@ -2883,14 +2883,14 @@ thing.upload.resetmethod=ck
 thing.build.flash_mode=qio
 thing.build.flash_flags=-DFLASHMODE_QIO
 thing.build.flash_freq=40
-thing.menu.eesz.512K=512K (no SPIFFS)
+thing.menu.eesz.512K=512KB (FS:no OTA:~246KB)
 thing.menu.eesz.512K.build.flash_size=512K
 thing.menu.eesz.512K.build.flash_size_bytes=0x80000
 thing.menu.eesz.512K.build.flash_ld=eagle.flash.512k.ld
 thing.menu.eesz.512K.build.spiffs_pagesize=256
 thing.menu.eesz.512K.upload.maximum_size=499696
 thing.menu.eesz.512K.build.rfcal_addr=0x7C000
-thing.menu.eesz.512K32=512K (32K SPIFFS)
+thing.menu.eesz.512K32=512KB (FS:32KB OTA:~230KB)
 thing.menu.eesz.512K32.build.flash_size=512K
 thing.menu.eesz.512K32.build.flash_size_bytes=0x80000
 thing.menu.eesz.512K32.build.flash_ld=eagle.flash.512k32.ld
@@ -2900,7 +2900,7 @@ thing.menu.eesz.512K32.build.rfcal_addr=0x7C000
 thing.menu.eesz.512K32.build.spiffs_start=0x73000
 thing.menu.eesz.512K32.build.spiffs_end=0x7B000
 thing.menu.eesz.512K32.build.spiffs_blocksize=4096
-thing.menu.eesz.512K64=512K (64K SPIFFS)
+thing.menu.eesz.512K64=512KB (FS:64KB OTA:~214KB)
 thing.menu.eesz.512K64.build.flash_size=512K
 thing.menu.eesz.512K64.build.flash_size_bytes=0x80000
 thing.menu.eesz.512K64.build.flash_ld=eagle.flash.512k64.ld
@@ -2910,7 +2910,7 @@ thing.menu.eesz.512K64.build.rfcal_addr=0x7C000
 thing.menu.eesz.512K64.build.spiffs_start=0x6B000
 thing.menu.eesz.512K64.build.spiffs_end=0x7B000
 thing.menu.eesz.512K64.build.spiffs_blocksize=4096
-thing.menu.eesz.512K128=512K (128K SPIFFS)
+thing.menu.eesz.512K128=512KB (FS:128KB OTA:~182KB)
 thing.menu.eesz.512K128.build.flash_size=512K
 thing.menu.eesz.512K128.build.flash_size_bytes=0x80000
 thing.menu.eesz.512K128.build.flash_ld=eagle.flash.512k128.ld
@@ -3071,14 +3071,14 @@ thingdev.upload.resetmethod=nodemcu
 thingdev.build.flash_mode=dio
 thingdev.build.flash_flags=-DFLASHMODE_DIO
 thingdev.build.flash_freq=40
-thingdev.menu.eesz.512K=512K (no SPIFFS)
+thingdev.menu.eesz.512K=512KB (FS:no OTA:~246KB)
 thingdev.menu.eesz.512K.build.flash_size=512K
 thingdev.menu.eesz.512K.build.flash_size_bytes=0x80000
 thingdev.menu.eesz.512K.build.flash_ld=eagle.flash.512k.ld
 thingdev.menu.eesz.512K.build.spiffs_pagesize=256
 thingdev.menu.eesz.512K.upload.maximum_size=499696
 thingdev.menu.eesz.512K.build.rfcal_addr=0x7C000
-thingdev.menu.eesz.512K32=512K (32K SPIFFS)
+thingdev.menu.eesz.512K32=512KB (FS:32KB OTA:~230KB)
 thingdev.menu.eesz.512K32.build.flash_size=512K
 thingdev.menu.eesz.512K32.build.flash_size_bytes=0x80000
 thingdev.menu.eesz.512K32.build.flash_ld=eagle.flash.512k32.ld
@@ -3088,7 +3088,7 @@ thingdev.menu.eesz.512K32.build.rfcal_addr=0x7C000
 thingdev.menu.eesz.512K32.build.spiffs_start=0x73000
 thingdev.menu.eesz.512K32.build.spiffs_end=0x7B000
 thingdev.menu.eesz.512K32.build.spiffs_blocksize=4096
-thingdev.menu.eesz.512K64=512K (64K SPIFFS)
+thingdev.menu.eesz.512K64=512KB (FS:64KB OTA:~214KB)
 thingdev.menu.eesz.512K64.build.flash_size=512K
 thingdev.menu.eesz.512K64.build.flash_size_bytes=0x80000
 thingdev.menu.eesz.512K64.build.flash_ld=eagle.flash.512k64.ld
@@ -3098,7 +3098,7 @@ thingdev.menu.eesz.512K64.build.rfcal_addr=0x7C000
 thingdev.menu.eesz.512K64.build.spiffs_start=0x6B000
 thingdev.menu.eesz.512K64.build.spiffs_end=0x7B000
 thingdev.menu.eesz.512K64.build.spiffs_blocksize=4096
-thingdev.menu.eesz.512K128=512K (128K SPIFFS)
+thingdev.menu.eesz.512K128=512KB (FS:128KB OTA:~182KB)
 thingdev.menu.eesz.512K128.build.flash_size=512K
 thingdev.menu.eesz.512K128.build.flash_size_bytes=0x80000
 thingdev.menu.eesz.512K128.build.flash_ld=eagle.flash.512k128.ld
@@ -3259,14 +3259,14 @@ esp210.upload.resetmethod=ck
 esp210.build.flash_mode=qio
 esp210.build.flash_flags=-DFLASHMODE_QIO
 esp210.build.flash_freq=40
-esp210.menu.eesz.4M=4M (no SPIFFS)
+esp210.menu.eesz.4M=4MB (FS:no OTA:~1019KB)
 esp210.menu.eesz.4M.build.flash_size=4M
 esp210.menu.eesz.4M.build.flash_size_bytes=0x400000
 esp210.menu.eesz.4M.build.flash_ld=eagle.flash.4m.ld
 esp210.menu.eesz.4M.build.spiffs_pagesize=256
 esp210.menu.eesz.4M.upload.maximum_size=1044464
 esp210.menu.eesz.4M.build.rfcal_addr=0x3FC000
-esp210.menu.eesz.4M1M=4M (1M SPIFFS)
+esp210.menu.eesz.4M1M=4MB (FS:1MB OTA:~1019KB)
 esp210.menu.eesz.4M1M.build.flash_size=4M
 esp210.menu.eesz.4M1M.build.flash_size_bytes=0x400000
 esp210.menu.eesz.4M1M.build.flash_ld=eagle.flash.4m1m.ld
@@ -3276,7 +3276,7 @@ esp210.menu.eesz.4M1M.build.rfcal_addr=0x3FC000
 esp210.menu.eesz.4M1M.build.spiffs_start=0x300000
 esp210.menu.eesz.4M1M.build.spiffs_end=0x3FB000
 esp210.menu.eesz.4M1M.build.spiffs_blocksize=8192
-esp210.menu.eesz.4M2M=4M (2M SPIFFS)
+esp210.menu.eesz.4M2M=4MB (FS:2MB OTA:~1019KB)
 esp210.menu.eesz.4M2M.build.flash_size=4M
 esp210.menu.eesz.4M2M.build.flash_size_bytes=0x400000
 esp210.menu.eesz.4M2M.build.flash_ld=eagle.flash.4m2m.ld
@@ -3286,7 +3286,7 @@ esp210.menu.eesz.4M2M.build.rfcal_addr=0x3FC000
 esp210.menu.eesz.4M2M.build.spiffs_start=0x200000
 esp210.menu.eesz.4M2M.build.spiffs_end=0x3FB000
 esp210.menu.eesz.4M2M.build.spiffs_blocksize=8192
-esp210.menu.eesz.4M3M=4M (3M SPIFFS)
+esp210.menu.eesz.4M3M=4MB (FS:3MB OTA:~512KB)
 esp210.menu.eesz.4M3M.build.flash_size=4M
 esp210.menu.eesz.4M3M.build.flash_size_bytes=0x400000
 esp210.menu.eesz.4M3M.build.flash_ld=eagle.flash.4m3m.ld
@@ -3447,14 +3447,14 @@ d1_mini.upload.resetmethod=nodemcu
 d1_mini.build.flash_mode=dio
 d1_mini.build.flash_flags=-DFLASHMODE_DIO
 d1_mini.build.flash_freq=40
-d1_mini.menu.eesz.4M=4M (no SPIFFS)
+d1_mini.menu.eesz.4M=4MB (FS:no OTA:~1019KB)
 d1_mini.menu.eesz.4M.build.flash_size=4M
 d1_mini.menu.eesz.4M.build.flash_size_bytes=0x400000
 d1_mini.menu.eesz.4M.build.flash_ld=eagle.flash.4m.ld
 d1_mini.menu.eesz.4M.build.spiffs_pagesize=256
 d1_mini.menu.eesz.4M.upload.maximum_size=1044464
 d1_mini.menu.eesz.4M.build.rfcal_addr=0x3FC000
-d1_mini.menu.eesz.4M1M=4M (1M SPIFFS)
+d1_mini.menu.eesz.4M1M=4MB (FS:1MB OTA:~1019KB)
 d1_mini.menu.eesz.4M1M.build.flash_size=4M
 d1_mini.menu.eesz.4M1M.build.flash_size_bytes=0x400000
 d1_mini.menu.eesz.4M1M.build.flash_ld=eagle.flash.4m1m.ld
@@ -3464,7 +3464,7 @@ d1_mini.menu.eesz.4M1M.build.rfcal_addr=0x3FC000
 d1_mini.menu.eesz.4M1M.build.spiffs_start=0x300000
 d1_mini.menu.eesz.4M1M.build.spiffs_end=0x3FB000
 d1_mini.menu.eesz.4M1M.build.spiffs_blocksize=8192
-d1_mini.menu.eesz.4M2M=4M (2M SPIFFS)
+d1_mini.menu.eesz.4M2M=4MB (FS:2MB OTA:~1019KB)
 d1_mini.menu.eesz.4M2M.build.flash_size=4M
 d1_mini.menu.eesz.4M2M.build.flash_size_bytes=0x400000
 d1_mini.menu.eesz.4M2M.build.flash_ld=eagle.flash.4m2m.ld
@@ -3474,7 +3474,7 @@ d1_mini.menu.eesz.4M2M.build.rfcal_addr=0x3FC000
 d1_mini.menu.eesz.4M2M.build.spiffs_start=0x200000
 d1_mini.menu.eesz.4M2M.build.spiffs_end=0x3FB000
 d1_mini.menu.eesz.4M2M.build.spiffs_blocksize=8192
-d1_mini.menu.eesz.4M3M=4M (3M SPIFFS)
+d1_mini.menu.eesz.4M3M=4MB (FS:3MB OTA:~512KB)
 d1_mini.menu.eesz.4M3M.build.flash_size=4M
 d1_mini.menu.eesz.4M3M.build.flash_size_bytes=0x400000
 d1_mini.menu.eesz.4M3M.build.flash_ld=eagle.flash.4m3m.ld
@@ -3635,7 +3635,7 @@ d1_mini_pro.upload.resetmethod=nodemcu
 d1_mini_pro.build.flash_mode=dio
 d1_mini_pro.build.flash_flags=-DFLASHMODE_DIO
 d1_mini_pro.build.flash_freq=40
-d1_mini_pro.menu.eesz.16M14M=16M (14M SPIFFS)
+d1_mini_pro.menu.eesz.16M14M=16MB (FS:14MB OTA:~1019KB)
 d1_mini_pro.menu.eesz.16M14M.build.flash_size=16M
 d1_mini_pro.menu.eesz.16M14M.build.flash_size_bytes=0x1000000
 d1_mini_pro.menu.eesz.16M14M.build.flash_ld=eagle.flash.16m14m.ld
@@ -3645,7 +3645,7 @@ d1_mini_pro.menu.eesz.16M14M.build.rfcal_addr=0xFFC000
 d1_mini_pro.menu.eesz.16M14M.build.spiffs_start=0x200000
 d1_mini_pro.menu.eesz.16M14M.build.spiffs_end=0xFFB000
 d1_mini_pro.menu.eesz.16M14M.build.spiffs_blocksize=8192
-d1_mini_pro.menu.eesz.16M15M=16M (15M SPIFFS)
+d1_mini_pro.menu.eesz.16M15M=16MB (FS:15MB OTA:~512KB)
 d1_mini_pro.menu.eesz.16M15M.build.flash_size=16M
 d1_mini_pro.menu.eesz.16M15M.build.flash_size_bytes=0x1000000
 d1_mini_pro.menu.eesz.16M15M.build.flash_ld=eagle.flash.16m15m.ld
@@ -3806,14 +3806,14 @@ d1_mini_lite.upload.resetmethod=nodemcu
 d1_mini_lite.build.flash_mode=dout
 d1_mini_lite.build.flash_flags=-DFLASHMODE_DOUT
 d1_mini_lite.build.flash_freq=40
-d1_mini_lite.menu.eesz.1M=1M (no SPIFFS)
+d1_mini_lite.menu.eesz.1M=1MB (FS:no OTA:~502KB)
 d1_mini_lite.menu.eesz.1M.build.flash_size=1M
 d1_mini_lite.menu.eesz.1M.build.flash_size_bytes=0x100000
 d1_mini_lite.menu.eesz.1M.build.flash_ld=eagle.flash.1m.ld
 d1_mini_lite.menu.eesz.1M.build.spiffs_pagesize=256
 d1_mini_lite.menu.eesz.1M.upload.maximum_size=1023984
 d1_mini_lite.menu.eesz.1M.build.rfcal_addr=0xFC000
-d1_mini_lite.menu.eesz.1M64=1M (64K SPIFFS)
+d1_mini_lite.menu.eesz.1M64=1MB (FS:64KB OTA:~470KB)
 d1_mini_lite.menu.eesz.1M64.build.flash_size=1M
 d1_mini_lite.menu.eesz.1M64.build.flash_size_bytes=0x100000
 d1_mini_lite.menu.eesz.1M64.build.flash_ld=eagle.flash.1m64.ld
@@ -3823,7 +3823,7 @@ d1_mini_lite.menu.eesz.1M64.build.rfcal_addr=0xFC000
 d1_mini_lite.menu.eesz.1M64.build.spiffs_start=0xEB000
 d1_mini_lite.menu.eesz.1M64.build.spiffs_end=0xFB000
 d1_mini_lite.menu.eesz.1M64.build.spiffs_blocksize=4096
-d1_mini_lite.menu.eesz.1M128=1M (128K SPIFFS)
+d1_mini_lite.menu.eesz.1M128=1MB (FS:128KB OTA:~438KB)
 d1_mini_lite.menu.eesz.1M128.build.flash_size=1M
 d1_mini_lite.menu.eesz.1M128.build.flash_size_bytes=0x100000
 d1_mini_lite.menu.eesz.1M128.build.flash_ld=eagle.flash.1m128.ld
@@ -3833,7 +3833,7 @@ d1_mini_lite.menu.eesz.1M128.build.rfcal_addr=0xFC000
 d1_mini_lite.menu.eesz.1M128.build.spiffs_start=0xDB000
 d1_mini_lite.menu.eesz.1M128.build.spiffs_end=0xFB000
 d1_mini_lite.menu.eesz.1M128.build.spiffs_blocksize=4096
-d1_mini_lite.menu.eesz.1M144=1M (144K SPIFFS)
+d1_mini_lite.menu.eesz.1M144=1MB (FS:144KB OTA:~430KB)
 d1_mini_lite.menu.eesz.1M144.build.flash_size=1M
 d1_mini_lite.menu.eesz.1M144.build.flash_size_bytes=0x100000
 d1_mini_lite.menu.eesz.1M144.build.flash_ld=eagle.flash.1m144.ld
@@ -3843,7 +3843,7 @@ d1_mini_lite.menu.eesz.1M144.build.rfcal_addr=0xFC000
 d1_mini_lite.menu.eesz.1M144.build.spiffs_start=0xD7000
 d1_mini_lite.menu.eesz.1M144.build.spiffs_end=0xFB000
 d1_mini_lite.menu.eesz.1M144.build.spiffs_blocksize=4096
-d1_mini_lite.menu.eesz.1M160=1M (160K SPIFFS)
+d1_mini_lite.menu.eesz.1M160=1MB (FS:160KB OTA:~422KB)
 d1_mini_lite.menu.eesz.1M160.build.flash_size=1M
 d1_mini_lite.menu.eesz.1M160.build.flash_size_bytes=0x100000
 d1_mini_lite.menu.eesz.1M160.build.flash_ld=eagle.flash.1m160.ld
@@ -3853,7 +3853,7 @@ d1_mini_lite.menu.eesz.1M160.build.rfcal_addr=0xFC000
 d1_mini_lite.menu.eesz.1M160.build.spiffs_start=0xD3000
 d1_mini_lite.menu.eesz.1M160.build.spiffs_end=0xFB000
 d1_mini_lite.menu.eesz.1M160.build.spiffs_blocksize=4096
-d1_mini_lite.menu.eesz.1M192=1M (192K SPIFFS)
+d1_mini_lite.menu.eesz.1M192=1MB (FS:192KB OTA:~406KB)
 d1_mini_lite.menu.eesz.1M192.build.flash_size=1M
 d1_mini_lite.menu.eesz.1M192.build.flash_size_bytes=0x100000
 d1_mini_lite.menu.eesz.1M192.build.flash_ld=eagle.flash.1m192.ld
@@ -3863,7 +3863,7 @@ d1_mini_lite.menu.eesz.1M192.build.rfcal_addr=0xFC000
 d1_mini_lite.menu.eesz.1M192.build.spiffs_start=0xCB000
 d1_mini_lite.menu.eesz.1M192.build.spiffs_end=0xFB000
 d1_mini_lite.menu.eesz.1M192.build.spiffs_blocksize=4096
-d1_mini_lite.menu.eesz.1M256=1M (256K SPIFFS)
+d1_mini_lite.menu.eesz.1M256=1MB (FS:256KB OTA:~374KB)
 d1_mini_lite.menu.eesz.1M256.build.flash_size=1M
 d1_mini_lite.menu.eesz.1M256.build.flash_size_bytes=0x100000
 d1_mini_lite.menu.eesz.1M256.build.flash_ld=eagle.flash.1m256.ld
@@ -3873,7 +3873,7 @@ d1_mini_lite.menu.eesz.1M256.build.rfcal_addr=0xFC000
 d1_mini_lite.menu.eesz.1M256.build.spiffs_start=0xBB000
 d1_mini_lite.menu.eesz.1M256.build.spiffs_end=0xFB000
 d1_mini_lite.menu.eesz.1M256.build.spiffs_blocksize=4096
-d1_mini_lite.menu.eesz.1M512=1M (512K SPIFFS)
+d1_mini_lite.menu.eesz.1M512=1MB (FS:512KB OTA:~246KB)
 d1_mini_lite.menu.eesz.1M512.build.flash_size=1M
 d1_mini_lite.menu.eesz.1M512.build.flash_size_bytes=0x100000
 d1_mini_lite.menu.eesz.1M512.build.flash_ld=eagle.flash.1m512.ld
@@ -4034,14 +4034,14 @@ d1.upload.resetmethod=nodemcu
 d1.build.flash_mode=dio
 d1.build.flash_flags=-DFLASHMODE_DIO
 d1.build.flash_freq=40
-d1.menu.eesz.4M=4M (no SPIFFS)
+d1.menu.eesz.4M=4MB (FS:no OTA:~1019KB)
 d1.menu.eesz.4M.build.flash_size=4M
 d1.menu.eesz.4M.build.flash_size_bytes=0x400000
 d1.menu.eesz.4M.build.flash_ld=eagle.flash.4m.ld
 d1.menu.eesz.4M.build.spiffs_pagesize=256
 d1.menu.eesz.4M.upload.maximum_size=1044464
 d1.menu.eesz.4M.build.rfcal_addr=0x3FC000
-d1.menu.eesz.4M1M=4M (1M SPIFFS)
+d1.menu.eesz.4M1M=4MB (FS:1MB OTA:~1019KB)
 d1.menu.eesz.4M1M.build.flash_size=4M
 d1.menu.eesz.4M1M.build.flash_size_bytes=0x400000
 d1.menu.eesz.4M1M.build.flash_ld=eagle.flash.4m1m.ld
@@ -4051,7 +4051,7 @@ d1.menu.eesz.4M1M.build.rfcal_addr=0x3FC000
 d1.menu.eesz.4M1M.build.spiffs_start=0x300000
 d1.menu.eesz.4M1M.build.spiffs_end=0x3FB000
 d1.menu.eesz.4M1M.build.spiffs_blocksize=8192
-d1.menu.eesz.4M2M=4M (2M SPIFFS)
+d1.menu.eesz.4M2M=4MB (FS:2MB OTA:~1019KB)
 d1.menu.eesz.4M2M.build.flash_size=4M
 d1.menu.eesz.4M2M.build.flash_size_bytes=0x400000
 d1.menu.eesz.4M2M.build.flash_ld=eagle.flash.4m2m.ld
@@ -4061,7 +4061,7 @@ d1.menu.eesz.4M2M.build.rfcal_addr=0x3FC000
 d1.menu.eesz.4M2M.build.spiffs_start=0x200000
 d1.menu.eesz.4M2M.build.spiffs_end=0x3FB000
 d1.menu.eesz.4M2M.build.spiffs_blocksize=8192
-d1.menu.eesz.4M3M=4M (3M SPIFFS)
+d1.menu.eesz.4M3M=4MB (FS:3MB OTA:~512KB)
 d1.menu.eesz.4M3M.build.flash_size=4M
 d1.menu.eesz.4M3M.build.flash_size_bytes=0x400000
 d1.menu.eesz.4M3M.build.flash_ld=eagle.flash.4m3m.ld
@@ -4225,14 +4225,14 @@ espino.menu.ResetMethod.nodemcu.upload.resetmethod=nodemcu
 espino.build.flash_mode=qio
 espino.build.flash_flags=-DFLASHMODE_QIO
 espino.build.flash_freq=40
-espino.menu.eesz.4M=4M (no SPIFFS)
+espino.menu.eesz.4M=4MB (FS:no OTA:~1019KB)
 espino.menu.eesz.4M.build.flash_size=4M
 espino.menu.eesz.4M.build.flash_size_bytes=0x400000
 espino.menu.eesz.4M.build.flash_ld=eagle.flash.4m.ld
 espino.menu.eesz.4M.build.spiffs_pagesize=256
 espino.menu.eesz.4M.upload.maximum_size=1044464
 espino.menu.eesz.4M.build.rfcal_addr=0x3FC000
-espino.menu.eesz.4M1M=4M (1M SPIFFS)
+espino.menu.eesz.4M1M=4MB (FS:1MB OTA:~1019KB)
 espino.menu.eesz.4M1M.build.flash_size=4M
 espino.menu.eesz.4M1M.build.flash_size_bytes=0x400000
 espino.menu.eesz.4M1M.build.flash_ld=eagle.flash.4m1m.ld
@@ -4242,7 +4242,7 @@ espino.menu.eesz.4M1M.build.rfcal_addr=0x3FC000
 espino.menu.eesz.4M1M.build.spiffs_start=0x300000
 espino.menu.eesz.4M1M.build.spiffs_end=0x3FB000
 espino.menu.eesz.4M1M.build.spiffs_blocksize=8192
-espino.menu.eesz.4M2M=4M (2M SPIFFS)
+espino.menu.eesz.4M2M=4MB (FS:2MB OTA:~1019KB)
 espino.menu.eesz.4M2M.build.flash_size=4M
 espino.menu.eesz.4M2M.build.flash_size_bytes=0x400000
 espino.menu.eesz.4M2M.build.flash_ld=eagle.flash.4m2m.ld
@@ -4252,7 +4252,7 @@ espino.menu.eesz.4M2M.build.rfcal_addr=0x3FC000
 espino.menu.eesz.4M2M.build.spiffs_start=0x200000
 espino.menu.eesz.4M2M.build.spiffs_end=0x3FB000
 espino.menu.eesz.4M2M.build.spiffs_blocksize=8192
-espino.menu.eesz.4M3M=4M (3M SPIFFS)
+espino.menu.eesz.4M3M=4MB (FS:3MB OTA:~512KB)
 espino.menu.eesz.4M3M.build.flash_size=4M
 espino.menu.eesz.4M3M.build.flash_size_bytes=0x400000
 espino.menu.eesz.4M3M.build.flash_ld=eagle.flash.4m3m.ld
@@ -4413,14 +4413,14 @@ espinotee.upload.resetmethod=nodemcu
 espinotee.build.flash_mode=qio
 espinotee.build.flash_flags=-DFLASHMODE_QIO
 espinotee.build.flash_freq=40
-espinotee.menu.eesz.4M=4M (no SPIFFS)
+espinotee.menu.eesz.4M=4MB (FS:no OTA:~1019KB)
 espinotee.menu.eesz.4M.build.flash_size=4M
 espinotee.menu.eesz.4M.build.flash_size_bytes=0x400000
 espinotee.menu.eesz.4M.build.flash_ld=eagle.flash.4m.ld
 espinotee.menu.eesz.4M.build.spiffs_pagesize=256
 espinotee.menu.eesz.4M.upload.maximum_size=1044464
 espinotee.menu.eesz.4M.build.rfcal_addr=0x3FC000
-espinotee.menu.eesz.4M1M=4M (1M SPIFFS)
+espinotee.menu.eesz.4M1M=4MB (FS:1MB OTA:~1019KB)
 espinotee.menu.eesz.4M1M.build.flash_size=4M
 espinotee.menu.eesz.4M1M.build.flash_size_bytes=0x400000
 espinotee.menu.eesz.4M1M.build.flash_ld=eagle.flash.4m1m.ld
@@ -4430,7 +4430,7 @@ espinotee.menu.eesz.4M1M.build.rfcal_addr=0x3FC000
 espinotee.menu.eesz.4M1M.build.spiffs_start=0x300000
 espinotee.menu.eesz.4M1M.build.spiffs_end=0x3FB000
 espinotee.menu.eesz.4M1M.build.spiffs_blocksize=8192
-espinotee.menu.eesz.4M2M=4M (2M SPIFFS)
+espinotee.menu.eesz.4M2M=4MB (FS:2MB OTA:~1019KB)
 espinotee.menu.eesz.4M2M.build.flash_size=4M
 espinotee.menu.eesz.4M2M.build.flash_size_bytes=0x400000
 espinotee.menu.eesz.4M2M.build.flash_ld=eagle.flash.4m2m.ld
@@ -4440,7 +4440,7 @@ espinotee.menu.eesz.4M2M.build.rfcal_addr=0x3FC000
 espinotee.menu.eesz.4M2M.build.spiffs_start=0x200000
 espinotee.menu.eesz.4M2M.build.spiffs_end=0x3FB000
 espinotee.menu.eesz.4M2M.build.spiffs_blocksize=8192
-espinotee.menu.eesz.4M3M=4M (3M SPIFFS)
+espinotee.menu.eesz.4M3M=4MB (FS:3MB OTA:~512KB)
 espinotee.menu.eesz.4M3M.build.flash_size=4M
 espinotee.menu.eesz.4M3M.build.flash_size_bytes=0x400000
 espinotee.menu.eesz.4M3M.build.flash_ld=eagle.flash.4m3m.ld
@@ -4621,14 +4621,14 @@ wifinfo.menu.FlashFreq.40=40MHz
 wifinfo.menu.FlashFreq.40.build.flash_freq=40
 wifinfo.menu.FlashFreq.80=80MHz
 wifinfo.menu.FlashFreq.80.build.flash_freq=80
-wifinfo.menu.eesz.1M=1M (no SPIFFS)
+wifinfo.menu.eesz.1M=1MB (FS:no OTA:~502KB)
 wifinfo.menu.eesz.1M.build.flash_size=1M
 wifinfo.menu.eesz.1M.build.flash_size_bytes=0x100000
 wifinfo.menu.eesz.1M.build.flash_ld=eagle.flash.1m.ld
 wifinfo.menu.eesz.1M.build.spiffs_pagesize=256
 wifinfo.menu.eesz.1M.upload.maximum_size=1023984
 wifinfo.menu.eesz.1M.build.rfcal_addr=0xFC000
-wifinfo.menu.eesz.1M64=1M (64K SPIFFS)
+wifinfo.menu.eesz.1M64=1MB (FS:64KB OTA:~470KB)
 wifinfo.menu.eesz.1M64.build.flash_size=1M
 wifinfo.menu.eesz.1M64.build.flash_size_bytes=0x100000
 wifinfo.menu.eesz.1M64.build.flash_ld=eagle.flash.1m64.ld
@@ -4638,7 +4638,7 @@ wifinfo.menu.eesz.1M64.build.rfcal_addr=0xFC000
 wifinfo.menu.eesz.1M64.build.spiffs_start=0xEB000
 wifinfo.menu.eesz.1M64.build.spiffs_end=0xFB000
 wifinfo.menu.eesz.1M64.build.spiffs_blocksize=4096
-wifinfo.menu.eesz.1M128=1M (128K SPIFFS)
+wifinfo.menu.eesz.1M128=1MB (FS:128KB OTA:~438KB)
 wifinfo.menu.eesz.1M128.build.flash_size=1M
 wifinfo.menu.eesz.1M128.build.flash_size_bytes=0x100000
 wifinfo.menu.eesz.1M128.build.flash_ld=eagle.flash.1m128.ld
@@ -4648,7 +4648,7 @@ wifinfo.menu.eesz.1M128.build.rfcal_addr=0xFC000
 wifinfo.menu.eesz.1M128.build.spiffs_start=0xDB000
 wifinfo.menu.eesz.1M128.build.spiffs_end=0xFB000
 wifinfo.menu.eesz.1M128.build.spiffs_blocksize=4096
-wifinfo.menu.eesz.1M144=1M (144K SPIFFS)
+wifinfo.menu.eesz.1M144=1MB (FS:144KB OTA:~430KB)
 wifinfo.menu.eesz.1M144.build.flash_size=1M
 wifinfo.menu.eesz.1M144.build.flash_size_bytes=0x100000
 wifinfo.menu.eesz.1M144.build.flash_ld=eagle.flash.1m144.ld
@@ -4658,7 +4658,7 @@ wifinfo.menu.eesz.1M144.build.rfcal_addr=0xFC000
 wifinfo.menu.eesz.1M144.build.spiffs_start=0xD7000
 wifinfo.menu.eesz.1M144.build.spiffs_end=0xFB000
 wifinfo.menu.eesz.1M144.build.spiffs_blocksize=4096
-wifinfo.menu.eesz.1M160=1M (160K SPIFFS)
+wifinfo.menu.eesz.1M160=1MB (FS:160KB OTA:~422KB)
 wifinfo.menu.eesz.1M160.build.flash_size=1M
 wifinfo.menu.eesz.1M160.build.flash_size_bytes=0x100000
 wifinfo.menu.eesz.1M160.build.flash_ld=eagle.flash.1m160.ld
@@ -4668,7 +4668,7 @@ wifinfo.menu.eesz.1M160.build.rfcal_addr=0xFC000
 wifinfo.menu.eesz.1M160.build.spiffs_start=0xD3000
 wifinfo.menu.eesz.1M160.build.spiffs_end=0xFB000
 wifinfo.menu.eesz.1M160.build.spiffs_blocksize=4096
-wifinfo.menu.eesz.1M192=1M (192K SPIFFS)
+wifinfo.menu.eesz.1M192=1MB (FS:192KB OTA:~406KB)
 wifinfo.menu.eesz.1M192.build.flash_size=1M
 wifinfo.menu.eesz.1M192.build.flash_size_bytes=0x100000
 wifinfo.menu.eesz.1M192.build.flash_ld=eagle.flash.1m192.ld
@@ -4678,7 +4678,7 @@ wifinfo.menu.eesz.1M192.build.rfcal_addr=0xFC000
 wifinfo.menu.eesz.1M192.build.spiffs_start=0xCB000
 wifinfo.menu.eesz.1M192.build.spiffs_end=0xFB000
 wifinfo.menu.eesz.1M192.build.spiffs_blocksize=4096
-wifinfo.menu.eesz.1M256=1M (256K SPIFFS)
+wifinfo.menu.eesz.1M256=1MB (FS:256KB OTA:~374KB)
 wifinfo.menu.eesz.1M256.build.flash_size=1M
 wifinfo.menu.eesz.1M256.build.flash_size_bytes=0x100000
 wifinfo.menu.eesz.1M256.build.flash_ld=eagle.flash.1m256.ld
@@ -4688,7 +4688,7 @@ wifinfo.menu.eesz.1M256.build.rfcal_addr=0xFC000
 wifinfo.menu.eesz.1M256.build.spiffs_start=0xBB000
 wifinfo.menu.eesz.1M256.build.spiffs_end=0xFB000
 wifinfo.menu.eesz.1M256.build.spiffs_blocksize=4096
-wifinfo.menu.eesz.1M512=1M (512K SPIFFS)
+wifinfo.menu.eesz.1M512=1MB (FS:512KB OTA:~246KB)
 wifinfo.menu.eesz.1M512.build.flash_size=1M
 wifinfo.menu.eesz.1M512.build.flash_size_bytes=0x100000
 wifinfo.menu.eesz.1M512.build.flash_ld=eagle.flash.1m512.ld
@@ -4861,14 +4861,14 @@ arduino-esp8266.upload.resetmethod=ck
 arduino-esp8266.build.flash_mode=qio
 arduino-esp8266.build.flash_flags=-DFLASHMODE_QIO
 arduino-esp8266.build.flash_freq=40
-arduino-esp8266.menu.eesz.4M=4M (no SPIFFS)
+arduino-esp8266.menu.eesz.4M=4MB (FS:no OTA:~1019KB)
 arduino-esp8266.menu.eesz.4M.build.flash_size=4M
 arduino-esp8266.menu.eesz.4M.build.flash_size_bytes=0x400000
 arduino-esp8266.menu.eesz.4M.build.flash_ld=eagle.flash.4m.ld
 arduino-esp8266.menu.eesz.4M.build.spiffs_pagesize=256
 arduino-esp8266.menu.eesz.4M.upload.maximum_size=1044464
 arduino-esp8266.menu.eesz.4M.build.rfcal_addr=0x3FC000
-arduino-esp8266.menu.eesz.4M1M=4M (1M SPIFFS)
+arduino-esp8266.menu.eesz.4M1M=4MB (FS:1MB OTA:~1019KB)
 arduino-esp8266.menu.eesz.4M1M.build.flash_size=4M
 arduino-esp8266.menu.eesz.4M1M.build.flash_size_bytes=0x400000
 arduino-esp8266.menu.eesz.4M1M.build.flash_ld=eagle.flash.4m1m.ld
@@ -4878,7 +4878,7 @@ arduino-esp8266.menu.eesz.4M1M.build.rfcal_addr=0x3FC000
 arduino-esp8266.menu.eesz.4M1M.build.spiffs_start=0x300000
 arduino-esp8266.menu.eesz.4M1M.build.spiffs_end=0x3FB000
 arduino-esp8266.menu.eesz.4M1M.build.spiffs_blocksize=8192
-arduino-esp8266.menu.eesz.4M2M=4M (2M SPIFFS)
+arduino-esp8266.menu.eesz.4M2M=4MB (FS:2MB OTA:~1019KB)
 arduino-esp8266.menu.eesz.4M2M.build.flash_size=4M
 arduino-esp8266.menu.eesz.4M2M.build.flash_size_bytes=0x400000
 arduino-esp8266.menu.eesz.4M2M.build.flash_ld=eagle.flash.4m2m.ld
@@ -4888,7 +4888,7 @@ arduino-esp8266.menu.eesz.4M2M.build.rfcal_addr=0x3FC000
 arduino-esp8266.menu.eesz.4M2M.build.spiffs_start=0x200000
 arduino-esp8266.menu.eesz.4M2M.build.spiffs_end=0x3FB000
 arduino-esp8266.menu.eesz.4M2M.build.spiffs_blocksize=8192
-arduino-esp8266.menu.eesz.4M3M=4M (3M SPIFFS)
+arduino-esp8266.menu.eesz.4M3M=4MB (FS:3MB OTA:~512KB)
 arduino-esp8266.menu.eesz.4M3M.build.flash_size=4M
 arduino-esp8266.menu.eesz.4M3M.build.flash_size_bytes=0x400000
 arduino-esp8266.menu.eesz.4M3M.build.flash_ld=eagle.flash.4m3m.ld
@@ -5050,14 +5050,14 @@ gen4iod.upload.resetmethod=nodemcu
 gen4iod.build.flash_mode=dio
 gen4iod.build.flash_flags=-DFLASHMODE_DIO
 gen4iod.build.flash_freq=80
-gen4iod.menu.eesz.512K=512K (no SPIFFS)
+gen4iod.menu.eesz.512K=512KB (FS:no OTA:~246KB)
 gen4iod.menu.eesz.512K.build.flash_size=512K
 gen4iod.menu.eesz.512K.build.flash_size_bytes=0x80000
 gen4iod.menu.eesz.512K.build.flash_ld=eagle.flash.512k.ld
 gen4iod.menu.eesz.512K.build.spiffs_pagesize=256
 gen4iod.menu.eesz.512K.upload.maximum_size=499696
 gen4iod.menu.eesz.512K.build.rfcal_addr=0x7C000
-gen4iod.menu.eesz.512K32=512K (32K SPIFFS)
+gen4iod.menu.eesz.512K32=512KB (FS:32KB OTA:~230KB)
 gen4iod.menu.eesz.512K32.build.flash_size=512K
 gen4iod.menu.eesz.512K32.build.flash_size_bytes=0x80000
 gen4iod.menu.eesz.512K32.build.flash_ld=eagle.flash.512k32.ld
@@ -5067,7 +5067,7 @@ gen4iod.menu.eesz.512K32.build.rfcal_addr=0x7C000
 gen4iod.menu.eesz.512K32.build.spiffs_start=0x73000
 gen4iod.menu.eesz.512K32.build.spiffs_end=0x7B000
 gen4iod.menu.eesz.512K32.build.spiffs_blocksize=4096
-gen4iod.menu.eesz.512K64=512K (64K SPIFFS)
+gen4iod.menu.eesz.512K64=512KB (FS:64KB OTA:~214KB)
 gen4iod.menu.eesz.512K64.build.flash_size=512K
 gen4iod.menu.eesz.512K64.build.flash_size_bytes=0x80000
 gen4iod.menu.eesz.512K64.build.flash_ld=eagle.flash.512k64.ld
@@ -5077,7 +5077,7 @@ gen4iod.menu.eesz.512K64.build.rfcal_addr=0x7C000
 gen4iod.menu.eesz.512K64.build.spiffs_start=0x6B000
 gen4iod.menu.eesz.512K64.build.spiffs_end=0x7B000
 gen4iod.menu.eesz.512K64.build.spiffs_blocksize=4096
-gen4iod.menu.eesz.512K128=512K (128K SPIFFS)
+gen4iod.menu.eesz.512K128=512KB (FS:128KB OTA:~182KB)
 gen4iod.menu.eesz.512K128.build.flash_size=512K
 gen4iod.menu.eesz.512K128.build.flash_size_bytes=0x80000
 gen4iod.menu.eesz.512K128.build.flash_ld=eagle.flash.512k128.ld
@@ -5239,14 +5239,14 @@ oak.upload.resetmethod=none
 oak.build.flash_mode=dio
 oak.build.flash_flags=-DFLASHMODE_DIO
 oak.build.flash_freq=40
-oak.menu.eesz.4M=4M (no SPIFFS)
+oak.menu.eesz.4M=4MB (FS:no OTA:~1019KB)
 oak.menu.eesz.4M.build.flash_size=4M
 oak.menu.eesz.4M.build.flash_size_bytes=0x400000
 oak.menu.eesz.4M.build.flash_ld=eagle.flash.4m.ld
 oak.menu.eesz.4M.build.spiffs_pagesize=256
 oak.menu.eesz.4M.upload.maximum_size=1044464
 oak.menu.eesz.4M.build.rfcal_addr=0x3FC000
-oak.menu.eesz.4M1M=4M (1M SPIFFS)
+oak.menu.eesz.4M1M=4MB (FS:1MB OTA:~1019KB)
 oak.menu.eesz.4M1M.build.flash_size=4M
 oak.menu.eesz.4M1M.build.flash_size_bytes=0x400000
 oak.menu.eesz.4M1M.build.flash_ld=eagle.flash.4m1m.ld
@@ -5256,7 +5256,7 @@ oak.menu.eesz.4M1M.build.rfcal_addr=0x3FC000
 oak.menu.eesz.4M1M.build.spiffs_start=0x300000
 oak.menu.eesz.4M1M.build.spiffs_end=0x3FB000
 oak.menu.eesz.4M1M.build.spiffs_blocksize=8192
-oak.menu.eesz.4M2M=4M (2M SPIFFS)
+oak.menu.eesz.4M2M=4MB (FS:2MB OTA:~1019KB)
 oak.menu.eesz.4M2M.build.flash_size=4M
 oak.menu.eesz.4M2M.build.flash_size_bytes=0x400000
 oak.menu.eesz.4M2M.build.flash_ld=eagle.flash.4m2m.ld
@@ -5266,7 +5266,7 @@ oak.menu.eesz.4M2M.build.rfcal_addr=0x3FC000
 oak.menu.eesz.4M2M.build.spiffs_start=0x200000
 oak.menu.eesz.4M2M.build.spiffs_end=0x3FB000
 oak.menu.eesz.4M2M.build.spiffs_blocksize=8192
-oak.menu.eesz.4M3M=4M (3M SPIFFS)
+oak.menu.eesz.4M3M=4MB (FS:3MB OTA:~512KB)
 oak.menu.eesz.4M3M.build.flash_size=4M
 oak.menu.eesz.4M3M.build.flash_size_bytes=0x400000
 oak.menu.eesz.4M3M.build.flash_ld=eagle.flash.4m3m.ld
@@ -5427,14 +5427,14 @@ wifiduino.upload.resetmethod=nodemcu
 wifiduino.build.flash_mode=dio
 wifiduino.build.flash_flags=-DFLASHMODE_DIO
 wifiduino.build.flash_freq=40
-wifiduino.menu.eesz.4M=4M (no SPIFFS)
+wifiduino.menu.eesz.4M=4MB (FS:no OTA:~1019KB)
 wifiduino.menu.eesz.4M.build.flash_size=4M
 wifiduino.menu.eesz.4M.build.flash_size_bytes=0x400000
 wifiduino.menu.eesz.4M.build.flash_ld=eagle.flash.4m.ld
 wifiduino.menu.eesz.4M.build.spiffs_pagesize=256
 wifiduino.menu.eesz.4M.upload.maximum_size=1044464
 wifiduino.menu.eesz.4M.build.rfcal_addr=0x3FC000
-wifiduino.menu.eesz.4M1M=4M (1M SPIFFS)
+wifiduino.menu.eesz.4M1M=4MB (FS:1MB OTA:~1019KB)
 wifiduino.menu.eesz.4M1M.build.flash_size=4M
 wifiduino.menu.eesz.4M1M.build.flash_size_bytes=0x400000
 wifiduino.menu.eesz.4M1M.build.flash_ld=eagle.flash.4m1m.ld
@@ -5444,7 +5444,7 @@ wifiduino.menu.eesz.4M1M.build.rfcal_addr=0x3FC000
 wifiduino.menu.eesz.4M1M.build.spiffs_start=0x300000
 wifiduino.menu.eesz.4M1M.build.spiffs_end=0x3FB000
 wifiduino.menu.eesz.4M1M.build.spiffs_blocksize=8192
-wifiduino.menu.eesz.4M2M=4M (2M SPIFFS)
+wifiduino.menu.eesz.4M2M=4MB (FS:2MB OTA:~1019KB)
 wifiduino.menu.eesz.4M2M.build.flash_size=4M
 wifiduino.menu.eesz.4M2M.build.flash_size_bytes=0x400000
 wifiduino.menu.eesz.4M2M.build.flash_ld=eagle.flash.4m2m.ld
@@ -5454,7 +5454,7 @@ wifiduino.menu.eesz.4M2M.build.rfcal_addr=0x3FC000
 wifiduino.menu.eesz.4M2M.build.spiffs_start=0x200000
 wifiduino.menu.eesz.4M2M.build.spiffs_end=0x3FB000
 wifiduino.menu.eesz.4M2M.build.spiffs_blocksize=8192
-wifiduino.menu.eesz.4M3M=4M (3M SPIFFS)
+wifiduino.menu.eesz.4M3M=4MB (FS:3MB OTA:~512KB)
 wifiduino.menu.eesz.4M3M.build.flash_size=4M
 wifiduino.menu.eesz.4M3M.build.flash_size_bytes=0x400000
 wifiduino.menu.eesz.4M3M.build.flash_ld=eagle.flash.4m3m.ld
@@ -5628,14 +5628,14 @@ wifi_slot.menu.FlashMode.qout.build.flash_flags=-DFLASHMODE_QOUT
 wifi_slot.menu.FlashMode.qio=QIO (fast)
 wifi_slot.menu.FlashMode.qio.build.flash_mode=qio
 wifi_slot.menu.FlashMode.qio.build.flash_flags=-DFLASHMODE_QIO
-wifi_slot.menu.eesz.1M=1M (no SPIFFS)
+wifi_slot.menu.eesz.1M=1MB (FS:no OTA:~502KB)
 wifi_slot.menu.eesz.1M.build.flash_size=1M
 wifi_slot.menu.eesz.1M.build.flash_size_bytes=0x100000
 wifi_slot.menu.eesz.1M.build.flash_ld=eagle.flash.1m.ld
 wifi_slot.menu.eesz.1M.build.spiffs_pagesize=256
 wifi_slot.menu.eesz.1M.upload.maximum_size=1023984
 wifi_slot.menu.eesz.1M.build.rfcal_addr=0xFC000
-wifi_slot.menu.eesz.1M64=1M (64K SPIFFS)
+wifi_slot.menu.eesz.1M64=1MB (FS:64KB OTA:~470KB)
 wifi_slot.menu.eesz.1M64.build.flash_size=1M
 wifi_slot.menu.eesz.1M64.build.flash_size_bytes=0x100000
 wifi_slot.menu.eesz.1M64.build.flash_ld=eagle.flash.1m64.ld
@@ -5645,7 +5645,7 @@ wifi_slot.menu.eesz.1M64.build.rfcal_addr=0xFC000
 wifi_slot.menu.eesz.1M64.build.spiffs_start=0xEB000
 wifi_slot.menu.eesz.1M64.build.spiffs_end=0xFB000
 wifi_slot.menu.eesz.1M64.build.spiffs_blocksize=4096
-wifi_slot.menu.eesz.1M128=1M (128K SPIFFS)
+wifi_slot.menu.eesz.1M128=1MB (FS:128KB OTA:~438KB)
 wifi_slot.menu.eesz.1M128.build.flash_size=1M
 wifi_slot.menu.eesz.1M128.build.flash_size_bytes=0x100000
 wifi_slot.menu.eesz.1M128.build.flash_ld=eagle.flash.1m128.ld
@@ -5655,7 +5655,7 @@ wifi_slot.menu.eesz.1M128.build.rfcal_addr=0xFC000
 wifi_slot.menu.eesz.1M128.build.spiffs_start=0xDB000
 wifi_slot.menu.eesz.1M128.build.spiffs_end=0xFB000
 wifi_slot.menu.eesz.1M128.build.spiffs_blocksize=4096
-wifi_slot.menu.eesz.1M144=1M (144K SPIFFS)
+wifi_slot.menu.eesz.1M144=1MB (FS:144KB OTA:~430KB)
 wifi_slot.menu.eesz.1M144.build.flash_size=1M
 wifi_slot.menu.eesz.1M144.build.flash_size_bytes=0x100000
 wifi_slot.menu.eesz.1M144.build.flash_ld=eagle.flash.1m144.ld
@@ -5665,7 +5665,7 @@ wifi_slot.menu.eesz.1M144.build.rfcal_addr=0xFC000
 wifi_slot.menu.eesz.1M144.build.spiffs_start=0xD7000
 wifi_slot.menu.eesz.1M144.build.spiffs_end=0xFB000
 wifi_slot.menu.eesz.1M144.build.spiffs_blocksize=4096
-wifi_slot.menu.eesz.1M160=1M (160K SPIFFS)
+wifi_slot.menu.eesz.1M160=1MB (FS:160KB OTA:~422KB)
 wifi_slot.menu.eesz.1M160.build.flash_size=1M
 wifi_slot.menu.eesz.1M160.build.flash_size_bytes=0x100000
 wifi_slot.menu.eesz.1M160.build.flash_ld=eagle.flash.1m160.ld
@@ -5675,7 +5675,7 @@ wifi_slot.menu.eesz.1M160.build.rfcal_addr=0xFC000
 wifi_slot.menu.eesz.1M160.build.spiffs_start=0xD3000
 wifi_slot.menu.eesz.1M160.build.spiffs_end=0xFB000
 wifi_slot.menu.eesz.1M160.build.spiffs_blocksize=4096
-wifi_slot.menu.eesz.1M192=1M (192K SPIFFS)
+wifi_slot.menu.eesz.1M192=1MB (FS:192KB OTA:~406KB)
 wifi_slot.menu.eesz.1M192.build.flash_size=1M
 wifi_slot.menu.eesz.1M192.build.flash_size_bytes=0x100000
 wifi_slot.menu.eesz.1M192.build.flash_ld=eagle.flash.1m192.ld
@@ -5685,7 +5685,7 @@ wifi_slot.menu.eesz.1M192.build.rfcal_addr=0xFC000
 wifi_slot.menu.eesz.1M192.build.spiffs_start=0xCB000
 wifi_slot.menu.eesz.1M192.build.spiffs_end=0xFB000
 wifi_slot.menu.eesz.1M192.build.spiffs_blocksize=4096
-wifi_slot.menu.eesz.1M256=1M (256K SPIFFS)
+wifi_slot.menu.eesz.1M256=1MB (FS:256KB OTA:~374KB)
 wifi_slot.menu.eesz.1M256.build.flash_size=1M
 wifi_slot.menu.eesz.1M256.build.flash_size_bytes=0x100000
 wifi_slot.menu.eesz.1M256.build.flash_ld=eagle.flash.1m256.ld
@@ -5695,7 +5695,7 @@ wifi_slot.menu.eesz.1M256.build.rfcal_addr=0xFC000
 wifi_slot.menu.eesz.1M256.build.spiffs_start=0xBB000
 wifi_slot.menu.eesz.1M256.build.spiffs_end=0xFB000
 wifi_slot.menu.eesz.1M256.build.spiffs_blocksize=4096
-wifi_slot.menu.eesz.1M512=1M (512K SPIFFS)
+wifi_slot.menu.eesz.1M512=1MB (FS:512KB OTA:~246KB)
 wifi_slot.menu.eesz.1M512.build.flash_size=1M
 wifi_slot.menu.eesz.1M512.build.flash_size_bytes=0x100000
 wifi_slot.menu.eesz.1M512.build.flash_ld=eagle.flash.1m512.ld
@@ -5705,14 +5705,14 @@ wifi_slot.menu.eesz.1M512.build.rfcal_addr=0xFC000
 wifi_slot.menu.eesz.1M512.build.spiffs_start=0x7B000
 wifi_slot.menu.eesz.1M512.build.spiffs_end=0xFB000
 wifi_slot.menu.eesz.1M512.build.spiffs_blocksize=4096
-wifi_slot.menu.eesz.2M=2M (no SPIFFS)
+wifi_slot.menu.eesz.2M=2MB (FS:no OTA:~1019KB)
 wifi_slot.menu.eesz.2M.build.flash_size=2M
 wifi_slot.menu.eesz.2M.build.flash_size_bytes=0x200000
 wifi_slot.menu.eesz.2M.build.flash_ld=eagle.flash.2m.ld
 wifi_slot.menu.eesz.2M.build.spiffs_pagesize=256
 wifi_slot.menu.eesz.2M.upload.maximum_size=1044464
 wifi_slot.menu.eesz.2M.build.rfcal_addr=0x1FC000
-wifi_slot.menu.eesz.2M128=2M (128K SPIFFS)
+wifi_slot.menu.eesz.2M128=2MB (FS:128KB OTA:~960KB)
 wifi_slot.menu.eesz.2M128.build.flash_size=2M
 wifi_slot.menu.eesz.2M128.build.flash_size_bytes=0x200000
 wifi_slot.menu.eesz.2M128.build.flash_ld=eagle.flash.2m128.ld
@@ -5722,7 +5722,7 @@ wifi_slot.menu.eesz.2M128.build.rfcal_addr=0x1FC000
 wifi_slot.menu.eesz.2M128.build.spiffs_start=0x1E0000
 wifi_slot.menu.eesz.2M128.build.spiffs_end=0x1FB000
 wifi_slot.menu.eesz.2M128.build.spiffs_blocksize=4096
-wifi_slot.menu.eesz.2M256=2M (256K SPIFFS)
+wifi_slot.menu.eesz.2M256=2MB (FS:256KB OTA:~896KB)
 wifi_slot.menu.eesz.2M256.build.flash_size=2M
 wifi_slot.menu.eesz.2M256.build.flash_size_bytes=0x200000
 wifi_slot.menu.eesz.2M256.build.flash_ld=eagle.flash.2m256.ld
@@ -5732,7 +5732,7 @@ wifi_slot.menu.eesz.2M256.build.rfcal_addr=0x1FC000
 wifi_slot.menu.eesz.2M256.build.spiffs_start=0x1C0000
 wifi_slot.menu.eesz.2M256.build.spiffs_end=0x1FB000
 wifi_slot.menu.eesz.2M256.build.spiffs_blocksize=4096
-wifi_slot.menu.eesz.2M512=2M (512K SPIFFS)
+wifi_slot.menu.eesz.2M512=2MB (FS:512KB OTA:~768KB)
 wifi_slot.menu.eesz.2M512.build.flash_size=2M
 wifi_slot.menu.eesz.2M512.build.flash_size_bytes=0x200000
 wifi_slot.menu.eesz.2M512.build.flash_ld=eagle.flash.2m512.ld
@@ -5742,7 +5742,7 @@ wifi_slot.menu.eesz.2M512.build.rfcal_addr=0x1FC000
 wifi_slot.menu.eesz.2M512.build.spiffs_start=0x180000
 wifi_slot.menu.eesz.2M512.build.spiffs_end=0x1FB000
 wifi_slot.menu.eesz.2M512.build.spiffs_blocksize=8192
-wifi_slot.menu.eesz.2M1M=2M (1M SPIFFS)
+wifi_slot.menu.eesz.2M1M=2MB (FS:1MB OTA:~512KB)
 wifi_slot.menu.eesz.2M1M.build.flash_size=2M
 wifi_slot.menu.eesz.2M1M.build.flash_size_bytes=0x200000
 wifi_slot.menu.eesz.2M1M.build.flash_ld=eagle.flash.2m1m.ld
@@ -5903,14 +5903,14 @@ wiolink.upload.resetmethod=nodemcu
 wiolink.build.flash_mode=qio
 wiolink.build.flash_flags=-DFLASHMODE_QIO
 wiolink.build.flash_freq=40
-wiolink.menu.eesz.4M=4M (no SPIFFS)
+wiolink.menu.eesz.4M=4MB (FS:no OTA:~1019KB)
 wiolink.menu.eesz.4M.build.flash_size=4M
 wiolink.menu.eesz.4M.build.flash_size_bytes=0x400000
 wiolink.menu.eesz.4M.build.flash_ld=eagle.flash.4m.ld
 wiolink.menu.eesz.4M.build.spiffs_pagesize=256
 wiolink.menu.eesz.4M.upload.maximum_size=1044464
 wiolink.menu.eesz.4M.build.rfcal_addr=0x3FC000
-wiolink.menu.eesz.4M1M=4M (1M SPIFFS)
+wiolink.menu.eesz.4M1M=4MB (FS:1MB OTA:~1019KB)
 wiolink.menu.eesz.4M1M.build.flash_size=4M
 wiolink.menu.eesz.4M1M.build.flash_size_bytes=0x400000
 wiolink.menu.eesz.4M1M.build.flash_ld=eagle.flash.4m1m.ld
@@ -5920,7 +5920,7 @@ wiolink.menu.eesz.4M1M.build.rfcal_addr=0x3FC000
 wiolink.menu.eesz.4M1M.build.spiffs_start=0x300000
 wiolink.menu.eesz.4M1M.build.spiffs_end=0x3FB000
 wiolink.menu.eesz.4M1M.build.spiffs_blocksize=8192
-wiolink.menu.eesz.4M2M=4M (2M SPIFFS)
+wiolink.menu.eesz.4M2M=4MB (FS:2MB OTA:~1019KB)
 wiolink.menu.eesz.4M2M.build.flash_size=4M
 wiolink.menu.eesz.4M2M.build.flash_size_bytes=0x400000
 wiolink.menu.eesz.4M2M.build.flash_ld=eagle.flash.4m2m.ld
@@ -5930,7 +5930,7 @@ wiolink.menu.eesz.4M2M.build.rfcal_addr=0x3FC000
 wiolink.menu.eesz.4M2M.build.spiffs_start=0x200000
 wiolink.menu.eesz.4M2M.build.spiffs_end=0x3FB000
 wiolink.menu.eesz.4M2M.build.spiffs_blocksize=8192
-wiolink.menu.eesz.4M3M=4M (3M SPIFFS)
+wiolink.menu.eesz.4M3M=4MB (FS:3MB OTA:~512KB)
 wiolink.menu.eesz.4M3M.build.flash_size=4M
 wiolink.menu.eesz.4M3M.build.flash_size_bytes=0x400000
 wiolink.menu.eesz.4M3M.build.flash_ld=eagle.flash.4m3m.ld
@@ -6091,14 +6091,14 @@ espectro.upload.resetmethod=nodemcu
 espectro.build.flash_mode=dio
 espectro.build.flash_flags=-DFLASHMODE_DIO
 espectro.build.flash_freq=40
-espectro.menu.eesz.4M=4M (no SPIFFS)
+espectro.menu.eesz.4M=4MB (FS:no OTA:~1019KB)
 espectro.menu.eesz.4M.build.flash_size=4M
 espectro.menu.eesz.4M.build.flash_size_bytes=0x400000
 espectro.menu.eesz.4M.build.flash_ld=eagle.flash.4m.ld
 espectro.menu.eesz.4M.build.spiffs_pagesize=256
 espectro.menu.eesz.4M.upload.maximum_size=1044464
 espectro.menu.eesz.4M.build.rfcal_addr=0x3FC000
-espectro.menu.eesz.4M1M=4M (1M SPIFFS)
+espectro.menu.eesz.4M1M=4MB (FS:1MB OTA:~1019KB)
 espectro.menu.eesz.4M1M.build.flash_size=4M
 espectro.menu.eesz.4M1M.build.flash_size_bytes=0x400000
 espectro.menu.eesz.4M1M.build.flash_ld=eagle.flash.4m1m.ld
@@ -6108,7 +6108,7 @@ espectro.menu.eesz.4M1M.build.rfcal_addr=0x3FC000
 espectro.menu.eesz.4M1M.build.spiffs_start=0x300000
 espectro.menu.eesz.4M1M.build.spiffs_end=0x3FB000
 espectro.menu.eesz.4M1M.build.spiffs_blocksize=8192
-espectro.menu.eesz.4M2M=4M (2M SPIFFS)
+espectro.menu.eesz.4M2M=4MB (FS:2MB OTA:~1019KB)
 espectro.menu.eesz.4M2M.build.flash_size=4M
 espectro.menu.eesz.4M2M.build.flash_size_bytes=0x400000
 espectro.menu.eesz.4M2M.build.flash_ld=eagle.flash.4m2m.ld
@@ -6118,7 +6118,7 @@ espectro.menu.eesz.4M2M.build.rfcal_addr=0x3FC000
 espectro.menu.eesz.4M2M.build.spiffs_start=0x200000
 espectro.menu.eesz.4M2M.build.spiffs_end=0x3FB000
 espectro.menu.eesz.4M2M.build.spiffs_blocksize=8192
-espectro.menu.eesz.4M3M=4M (3M SPIFFS)
+espectro.menu.eesz.4M3M=4MB (FS:3MB OTA:~512KB)
 espectro.menu.eesz.4M3M.build.flash_size=4M
 espectro.menu.eesz.4M3M.build.flash_size_bytes=0x400000
 espectro.menu.eesz.4M3M.build.flash_ld=eagle.flash.4m3m.ld
diff --git a/tools/boards.txt.py b/tools/boards.txt.py
index c8c51b040..8a9179fe3 100755
--- a/tools/boards.txt.py
+++ b/tools/boards.txt.py
@@ -1186,6 +1186,7 @@ def flash_map (flashsize_kb, spiffs_kb = 0):
         else:
             spiffs_blocksize = 8192
 
+    max_ota_size = min(max_upload_size, spiffs_start / 2) # =(max_upload_size+empty_size)/2
     strsize = str(int(flashsize_kb / 1024)) + 'M' if (flashsize_kb >= 1024) else str(flashsize_kb) + 'K'
     strspiffs = str(int(spiffs_kb / 1024)) + 'M' if (spiffs_kb >= 1024) else str(spiffs_kb) + 'K'
     strspiffs_strip = str(int(spiffs_kb / 1024)) + 'M' if (spiffs_kb >= 1024) else str(spiffs_kb) if (spiffs_kb > 0) else ''
@@ -1193,9 +1194,9 @@ def flash_map (flashsize_kb, spiffs_kb = 0):
     ld = 'eagle.flash.' + strsize.lower() + strspiffs_strip.lower() + '.ld'
     menu = '.menu.eesz.' + strsize + strspiffs_strip
     menub = menu + '.build.'
-    desc = 'no' if (spiffs_kb == 0) else strspiffs
+    desc = 'no' if (spiffs_kb == 0) else strspiffs + 'B'
     d = collections.OrderedDict([
-        ( menu, strsize + ' (' + desc + ' SPIFFS)' ),
+        ( menu, strsize + 'B (FS:' + desc + ' OTA:~%iKB)' % (max_ota_size / 1024)),
         ( menub + 'flash_size', strsize ),
         ( menub + 'flash_size_bytes', "0x%X" % (flashsize_kb * 1024)),
         ( menub + 'flash_ld', ld ),