"Hello,
Firstly, you need to remove the tether. This is the biggest reason for this behaviour.
I would also suggest to remove all unnecessary components like GPS and telemetry radio.
Next, you need to do short hops off the ground and register its…"
"I've just checked with Randy, and he told me that the rssi 3.3v code update did not make it into AC3.1. It will be in the AC3.2 First release candidate due in two weeks' time."