iPhone 4 screen goes dark if brightness is set to 80%+I have had my iPhone 4 for over a year now, and suddenly the screen of my iPhone 4 GSM started to go almost totally dark if I...
Answer to: iPhone 4 screen goes dark if brightness is set to 80%+Well I have been reading a lot these days and found it could be a small part called IC the one that is giving the problem. It controls the backlight. Apparently it is not that hard to replace but you need soldage skills. I was gonna wait for the new iPhone to come out but now the threshold has gone down to less than half the bar. So I ordered the IC replacement, still waiting for it, and I'll have somebody help me with replacing it. I'll post the outcome for sure