Can anyone advise what is this, Whenever i have a really dark blank screen i can see this rectangle
i m not sure if its screen burnt or what as i can't see this when watching normal or other colour things, but only on black colour,
Rebooted the phone, Changed Wallpaper but still see please advise
Nope, I live in Pennsylvania, USA. Hottest it gets is 90s for a few weeks during the summer.
And I've had mine since launch, Aug 2020, so it's well out of warranty. I'm just going to deal with it, since it's only a minor annoyance.