8. After having enough calibration frames, open the menu and press calibra-tion.
9. A toast indicates that calibration was done and shows the reprojection er-ror. This error should be as low as possible (lower than 3).
10. The camera matrix and distortion coefficients are now saved on the device in the Downloads folder. The device name is used as the filename of the textfile.
11. Forward the calibration file to the development department.