BAYANGTOYS X21 Brushless Double GPS WIFI FPV With 1080P HD Camera RC Quadcopter With Transmitter and Gimbal (Double GPS X21 3B)

X28 is flying relative well. All other functions ar enot working. No English manual 'how to' operate this device. Very bad support like many times with a chineese product. Write to [email protected] whn You have the proper information to operate WiFI hot spot and camera functions