Interesting... I'm reminded of the geo zone map function that started out the same way: optional and for reference only to begin with, then at the press of a button in DJI H.Q: became mandatory.
This may tie in with the (near) future requirement...
DJI Vision is the correct app for the P2 Vision.
But it is an old app, maybe it is not fully compatible with new Android OS. Try to find an old phone with older OS, and see if it works.
Try downloading the app directly to your phone from DJI...
You've covered pretty much all the bases already, the only thing I'd add is... lens fogging.
With the smaller drones in particular, you can end up with condensation between the actual lens element and the 'glass' fitted into the front part of...
Hello everyone, I have a general question about flying drones in winter, above or below freezing temps. It's almost that time of the year again, and this will be my first winter owning a drone, and I am sure the itch to fly will kick in some time...