This appears to be a widespread problem with Note9 after recent updates. It corrupted the display, I dont think it is a Hardware problem. There are so many people around who have this kind of problem. Unless the update itself created the H/W proble...
Even I do face the problem, I am from the UK. It started giving problems after the March update and the problem is getting worse as days progress. I even did a factory reset but nothing helped. Any ideas. ?