I have used my previous RC1 in weather colder than it's rated -10ºC without any problems. I plan on using my RC2 which was acquired this past July with my Mini 4 Pro in temperatures that are colder than it's -10ºC rating. I don't expect any...
Nice shot!
Even though the drone might be rated for temperatures as low as -10ºC, I would think it could handle much colder temperatures as most DJI drones can as long as you take precautions. I don't have a Mavic 4 Pro so I wouldn't be able to...
I'm not sure what would cause your screen to flicker. The temperature should not be affecting your controller as you were flying within it's spec's (-10ºC to 40ºC).
As far as camera settings go whether you choose Auto ISO or you set your ISO...
I had that happen a few years ago. iPad just turned black. Fortunately Canadian regs require VLOS so I was able to bring the drone home. I suppose the RTH button would have worked but I usually fly manually so didn’t even think of it at the time.