Why are there colourful dots and lines in a black background?
I accidentally slept over my phone last night, and when I woke up this morning, the screen wouldn't turn on. It would show a black background with colourful dots, and when you press a certain area, lines will show up. I still can hear the notifications, volume button vibrate. The problem is just I can't see any apps or background, all I can see is a black background with colourful dots and lines.
Is this a good question?