Hubsan Official Forum

I have not flash the flight control firmware. The video linked is just for you listen the bip

HI, I recently purchased a H501S (Hubsan FPV X4 FCC ID 2AEXY501SRX) After +/- 5 hours of fly it doesn't want to start. When i plug battery it does some bip ( 2 bip 2 bip ..............)No return video on radio control. Have you an idea ? thanks PS :The same bip of this video https://www.youtube.com/...