my iphone 4 screen is black but it's still on
my iphone was running smoothly, then when I went back to check the time my iphone wasnt responding. The screen was black but you could still hear the iphone screenshotting and recieveing notifications. I tried holding the power buttons and resetting it, but when it came bac k on, the screen was still black. idk what to do???
it is a year and a half old