DJI Mavic Gimbal Calibration

DIY manual how to fix gimbal calibration error after replacement gimbal camera or motherboard on the mavic pro or dji mini drone. *** Additional Information *** If your PC does not detect your drone and the drone is listed as "bulk interface" or unknown device in device manager, most likely your PC did not find drivers for your drone. In this case, download and install DJI Assistant for your drone model. * Don&bother installing Python from external sources if you are not familiar with all of this, instead use Microsoft Store, and install Python. For pyserial, use pip command &install pyserial'. *** Download links *** *** PRODUCT CODE *** A2 - Released 2013-09-04 A2 Flight Controller P330 - Released 2013-01-07 Phantom 1 P330V - Released 2013-10-28 Phantom 2 Vision P330Z - Released 2013-12-15 Phantom 2 w/ Zenmuse H3-2D P330VP - Released 2014-04-07 Phantom 2 Vision+ WM610 - Released 2014-11-13 Inspire 1 P3X - Released2015-03-09 Phantom 3 Professional P3S - Released 2015-03-09 Phantom 3 Advanced MAT100 - Released 2015-06-08 Matrice 100 P3C - Released 2015-08-04 Phantom 3 Standard MG1 - Released 2015-11-27 Agras MG-1 WM325 - Released 2016-01-05 Phantom 3 4K WM330 - Released 2016-03-02 Phantom 4 (Phantom 4 Standard) MAT600 - Released 2016-04-17 Matrice 600 WM220 - Released 2016-2017 Mavic Pro (Platinum) WM620 - Released 2016-11-16 Inspire 2 WM331 - Released 2016-11-16 Phantom 4 Pro MAT200 - Released 2017-02-26 Matrice 200 MG1S - Released...