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"
3. Connect your AirID FIDO with the USB cable to a Windows computer or Mac.
With a Windows PC
4. Open the folder with the extracted firmware and run the "winusb-flash-device.exe" file
5. After a successful update the AirID FIDO will reboot automatically and can be used as usual
With a MacOS
4. Open the folder with the firmware and run the "flash-airid.command" file
5. After a successful update the AirID FIDO will reboot automatically and can be used as usual
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.