DronePirate @muida I used default PIDs@Tom von Trott Yes you will need a beeper@crowney I flashed to Betaflight 3.01 SP Racing F3. Stock firmware is 2.9.1. Short the boot pads and reflash if it bricked. There's a... @muida I used default PIDs@Tom von Trott Yes you will need a beeper@crowney I flashed to Betaflight 3.01 SP Racing F3. Stock firmware is 2.9.1. Short the boot pads and reflash if it bricked. There's an instructions on Betalflight on how to do it.The ARF version comes with SP Racing F3. For SP Racing, select full chip erase and manual baud rate before flashing firmware. If not, definitely it will bricked or lost communcation. Not sure about SBUS...I used PPM See more