Firmware can be updated via the webUI on the system tab. In the event that the unit is unable to be reached via the web interface and a firmware corruption is suspected you can restore the firmware by using the following process:

Restoring firmware

Copy firmware to USB stick (FAT16/32 Formatted), firmware file must be named itronhab01.img

Reset unit holding down Reset and Factory buttons

Release Reset button, continue holding Factory button until Wifi LED goes out

If firmware update file found Wifi LED will start flashing

Once firmware restore is complete, unit will reset