How to update the TBS Crossfire firmware ?
1. Download the TBS Agent at
http://team-blacksheep.freshdesk.com/solution/articles/4000085171-tbs-agent-
2. Follow this procedure
http://team-blacksheep.freshdesk.com/solution/articles/4000100108-updating-and-using-the-tbs-agent-
Here is a video showing how to update the TBS Crossfire transmitter
and TBS Crossfire micro receiver via the over the air procedure (the updated transmitter sends the firmware update to the micro receiver via radio link)