Too bad I reside so far out in the sticks that postage of anything with any potential value isn't worth the effort, because I have several dead Mavic batteries, including three that are after-market extra-range batteries that arrived DOA from Ali...
As a user of Litchi exclusively, I choose to remain blissfully unaware of all DJI firmware updates that are imposed on the unwary who still use DJI Go4. In addition to enjoying the superior performance of Litchi in comparison to DJI Go4...
Used Mavic 2's since 2019. The original controller you put your phone in is the RC1-A or RC1-B. The RM500 is the only 'smart' controller that will work with the mav 2. It has the built-in screen.