Unsure if imu calibration will fix but worth a tryMy PH4 advanced got that problem and I don't know how can I fix it,can any one can help?
Nop I didn't crash it, the problem starts after doing the firmware apdetDid you crash it? Might be the GPS receiver board is damaged or disconnected.
Try relinkingNop I didn't crash it, the problem starts after doing the firmware apdet