iPhone 4 has power but can't access screen?
iPhone 4
Posted on Sep 27, 2015 9:42 AM
Q: my iphone 4 has power but i can't open the screen?
A forced restart may help. Tap and hold the Home button and the On/Off buttons for approximately 15-20 seconds, until the Apple logo reappears. When the logo appears, release both buttons.
No content is affected by this procedure.