Gudsen MOZA

Hello, My moza mx mini 2 doesn't start anymore, after firmware upgrade. The upgrade went successfully (the app moza genie said so), but then I turned on the gimbal and it flashes the front LEDs 3 times and does not start the motor. I already tried to recharge it and to re-update the firmware, without any success.

The Mini MX 2 does have a reset button. Please refer to your user manual for more information on the operation of the reset button. 

I have tried a lot. No use.Restart is not working.