Green patch on left corner of iPhone X
I am facing issue of green corner patch and screen flickering. I have restarted phone several time but issue still persists
iPhone X, iOS 15
Question marked as
Make an appointment at the nearest Apple location to have your iPhone evaluated for free.
Once the diagnostics are complete, the staff will explain your options.
Make a Genius Bar Reservation
Genius Bar Reservation and Apple Support Options - Apple
Or use this link to see if Apple can run remote diagnostics on your iPhone: