F11 Pro FAQ

Malfunction:
After change the motherboard of F11pro, the camera does not move up and down for the first time, but there is a stepping motor to rotate the sound.
Reason:
The after-sales motherboard does not generate the available calibration parameters before the calibration, and the motherboard automatically grabs the calibration parameter data every time it starts, and the motor will rotate without the data.
Solution:
After turning on the phone, enter *#899#, select the motor Hall calibration, and perform the stepper motor calibration.