diff --git a/scripts/ArduinoWifiShield_upgrade.sh b/scripts/ArduinoWifiShield_upgrade.sh
new file mode 100644
index 000000000..508239249
--- /dev/null
+++ b/scripts/ArduinoWifiShield_upgrade.sh
@@ -0,0 +1,96 @@
+#!/bin/sh
+
+WIFI_FW_PATH="/hardware/arduino/firmwares/wifi-shield"
+AVR_TOOLS_PATH="/hardware/tools/avr/bin"
+
+progname=$0
+
+usage () {
+cat <<EOF
+Usage: $progname [-a Arduino_path] [-f which_firmware] [-h] 
+       -a set the path where the Arduino IDE is installed
+       -f the firmware you want to upload, valid parameters are:
+	  shield  - to upgrade the WiFi shield firmware
+	  all     - to upgrade both firmwares
+       -h help
+EOF
+  exit 0
+}
+
+upgradeHDmodule () {
+  sleep 1 # Give time to the shield to end the boot
+  echo "****Upgrade HD WiFi module firmware****\n"
+  dfu-programmer at32uc3a1256 erase
+  dfu-programmer at32uc3a1256 flash --suppress-bootloader-mem $WIFI_FW_PATH/wifi_dnld.hex
+  dfu-programmer at32uc3a1256 start
+  echo -n "\nRemove the J3 jumper then press the RESET button on the shield then type [ENTER] to upgrade the firmware of the shield..\n"
+  read readEnter
+}
+
+upgradeShield () {
+  sleep 1 # Give time to the shield to end the boot
+  echo "****Upgrade WiFi Shield firmware****\n"
+  dfu-programmer at32uc3a1256 erase
+  dfu-programmer at32uc3a1256 flash --suppress-bootloader-mem $WIFI_FW_PATH/wifiHD.hex
+  dfu-programmer at32uc3a1256 start 
+  echo "\nDone. Remove the J3 jumper and press the RESET button on the shield."
+  echo "Thank you!\n"
+}
+
+cat <<EOF
+
+       Arduino WiFi Shield upgrade
+=========================================
+Disclaimer: to access to the USB devices correctly, the dfu-programmer needs to be used as root. Run this script as root.
+
+EOF
+
+if [ $USER = 'root' ] ; then  #check if the current user is root
+  while getopts ":a:f:h" opt; do
+    case $opt in
+	a)
+	  ARDUINO_PATH=$OPTARG 
+	  WIFI_FW_PATH=$ARDUINO_PATH$WIFI_FW_PATH
+	  AVR_TOOLS_PATH=$ARDUINO_PATH$AVR_TOOLS_PATH
+	  cd $AVR_TOOLS_PATH
+	  ./avr-objcopy --output-target=ihex $WIFI_FW_PATH/wifi_dnld.elf  $WIFI_FW_PATH/wifi_dnld.hex	
+	  ./avr-objcopy --output-target=ihex $WIFI_FW_PATH/wifiHD.elf  $WIFI_FW_PATH/wifiHD.hex
+	  ;;
+	f)
+	  if [ "$ARDUINO_PATH" != "" ] ; then
+	    if [ "$OPTARG" = "all" ] ; then
+	      upgradeHDmodule
+	      upgradeShield
+	      exit 0
+	    else
+	      if [ "$OPTARG" = "shield" ] ; then
+		upgradeShield
+		exit 0
+	      else
+		echo "invalid parameter for the -f [firmware] option, please retry."
+		echo "Type -h for help\n"
+		exit 1
+	      fi
+	     fi
+	  else
+	    echo "Arduino Path not setted. Retry...\n"
+	  fi
+	  ;;
+	h)
+	  usage ;; 
+	\?)
+	  echo "Invalid option: $OPTARG" >&2
+	  usage
+	  exit 1
+	  ;;
+	:)
+	  echo "Option -$OPTARG requires an argument." >&2
+	  exit 1
+	  ;;
+	esac
+  done
+else
+  echo "You are not root!\n"
+fi
+
+shift $(($OPTIND - 1))
diff --git a/scripts/ArduinoWifiShield_upgrade_mac.sh b/scripts/ArduinoWifiShield_upgrade_mac.sh
new file mode 100644
index 000000000..508239249
--- /dev/null
+++ b/scripts/ArduinoWifiShield_upgrade_mac.sh
@@ -0,0 +1,96 @@
+#!/bin/sh
+
+WIFI_FW_PATH="/hardware/arduino/firmwares/wifi-shield"
+AVR_TOOLS_PATH="/hardware/tools/avr/bin"
+
+progname=$0
+
+usage () {
+cat <<EOF
+Usage: $progname [-a Arduino_path] [-f which_firmware] [-h] 
+       -a set the path where the Arduino IDE is installed
+       -f the firmware you want to upload, valid parameters are:
+	  shield  - to upgrade the WiFi shield firmware
+	  all     - to upgrade both firmwares
+       -h help
+EOF
+  exit 0
+}
+
+upgradeHDmodule () {
+  sleep 1 # Give time to the shield to end the boot
+  echo "****Upgrade HD WiFi module firmware****\n"
+  dfu-programmer at32uc3a1256 erase
+  dfu-programmer at32uc3a1256 flash --suppress-bootloader-mem $WIFI_FW_PATH/wifi_dnld.hex
+  dfu-programmer at32uc3a1256 start
+  echo -n "\nRemove the J3 jumper then press the RESET button on the shield then type [ENTER] to upgrade the firmware of the shield..\n"
+  read readEnter
+}
+
+upgradeShield () {
+  sleep 1 # Give time to the shield to end the boot
+  echo "****Upgrade WiFi Shield firmware****\n"
+  dfu-programmer at32uc3a1256 erase
+  dfu-programmer at32uc3a1256 flash --suppress-bootloader-mem $WIFI_FW_PATH/wifiHD.hex
+  dfu-programmer at32uc3a1256 start 
+  echo "\nDone. Remove the J3 jumper and press the RESET button on the shield."
+  echo "Thank you!\n"
+}
+
+cat <<EOF
+
+       Arduino WiFi Shield upgrade
+=========================================
+Disclaimer: to access to the USB devices correctly, the dfu-programmer needs to be used as root. Run this script as root.
+
+EOF
+
+if [ $USER = 'root' ] ; then  #check if the current user is root
+  while getopts ":a:f:h" opt; do
+    case $opt in
+	a)
+	  ARDUINO_PATH=$OPTARG 
+	  WIFI_FW_PATH=$ARDUINO_PATH$WIFI_FW_PATH
+	  AVR_TOOLS_PATH=$ARDUINO_PATH$AVR_TOOLS_PATH
+	  cd $AVR_TOOLS_PATH
+	  ./avr-objcopy --output-target=ihex $WIFI_FW_PATH/wifi_dnld.elf  $WIFI_FW_PATH/wifi_dnld.hex	
+	  ./avr-objcopy --output-target=ihex $WIFI_FW_PATH/wifiHD.elf  $WIFI_FW_PATH/wifiHD.hex
+	  ;;
+	f)
+	  if [ "$ARDUINO_PATH" != "" ] ; then
+	    if [ "$OPTARG" = "all" ] ; then
+	      upgradeHDmodule
+	      upgradeShield
+	      exit 0
+	    else
+	      if [ "$OPTARG" = "shield" ] ; then
+		upgradeShield
+		exit 0
+	      else
+		echo "invalid parameter for the -f [firmware] option, please retry."
+		echo "Type -h for help\n"
+		exit 1
+	      fi
+	     fi
+	  else
+	    echo "Arduino Path not setted. Retry...\n"
+	  fi
+	  ;;
+	h)
+	  usage ;; 
+	\?)
+	  echo "Invalid option: $OPTARG" >&2
+	  usage
+	  exit 1
+	  ;;
+	:)
+	  echo "Option -$OPTARG requires an argument." >&2
+	  exit 1
+	  ;;
+	esac
+  done
+else
+  echo "You are not root!\n"
+fi
+
+shift $(($OPTIND - 1))