1. Power on the aircraft (press the power button, and then press and hold the button for about two seconds). 2. Connect the aircraft to your PC with a USB cable. 3. Launch DJI Assistant 2. 4. Click “Calibration” on the left to watch the tutorial, and click “Calibration Now”. ...
then you still should complete a calibration. Also after a crash, and if your drone looks ok after physical examination, you should only take off and hover, then move slowly to make sure your drone is flying perfectly.