iphone 12 dims

Hello drone enthusiasts. Pardon me if this is a rehash of a prior inquiry but I find this to be a real issue and it keeps me from flying or flying comfortably. The iPhone 12 for me is a real deterrent to flying because of screen dimming on warm summer days and poor brightness levels (somewhere...

I have an Air 2S that i fly with iphone 12 pro max, i got the phone because the brightness is rated at 800 nits. when fly in warm weather display dims by half, then more, right in the middle of a flight. NOT good iphone. sent phone back to apple got another new one. same thing happened today...