problems appeared...? Yesterday morning, my phone was fine, but then later on in the day, my phone turned itself off a few times, and also some other times the screen would just go blank, wit hthe backlight still on, and when you pressed any buttons, nothing happpened. Then even later on, when I managed to get my phone to turn on (it wasn't coming on abit earlier), when I slid the phone up, so the keypad was revealed, the screen goes very wierd. The best way I can decribe it is the picture goes like 256 colours and the picture starts to move around, and on text entry screens, like writing a new text message, the screen like repeates diagnally every second. But when I slide the phone back down, it's fine.

A loose connection between the GPU and the motherboard or something, maybe?

I hadn't dropped the phone recently or anything, it had been working fine before that.