1. Use the control element of the AirID FIDO to navigate to Settings → Update Firmware → Confirm: Yes
2. The AirID FIDO should display: "Send update or unpower to exit"
With a Windows PC
3. Connect your AirID with the USB-cable to a Windows computer or Mac.
4. Open the folder with the extracted firmware and run the "winusb-flash-device.exe" file
5. once the AirID restarts, the update is finished
With a MacOS
3. Open the folder with the firmware and run the "flash-airid.command" file
4. After a successful update the AirID will reboot automatically and can be used as usual
5. once the AirID restarts, the update is finished
If the update fails, the update process is intrerrupted or the AirID FIDO doesn't start anymore, go to step 1 and repeat the process.