Fimrware Upload operation consists on writing a new firmware in the ReWritable Memory of the card.

The following steps will be:
- firmware transfert through HTTP,
- firmware writing in FLASH memory.

Warning, this operation takes a few minutes, so:
- don't close the internet browser during operation,
- and wait the operation status message which will be displayed on the Firmware upload window.

If the result is OK: the card will restart automatically.

If a failure occurs: you have to repeat the operation without restarting the card.