"I know this is an old post but I want to mention a correction....The 9XR does NOT have an integrated antenna in the handle, as you need to buy a TX module to use the radio. Any JR style TX module snaps into the back of the radio."
I have an APM 2.0 board that has a bad USB port on it.. I cannot connect in mission planner to update firmware or configure the board. However, the board still functions as a controller with its current settings. Is there an alternative way to…