Did you try a hard reset by holding the power and home button together for 7 seconds then let go of home and continue holding power this will restart the iPhone..
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Did you try a hard reset by holding the power and home button together for 7 seconds, then let go of the home button and continue holding the power button? This will restart the iPhone.
Did you try a hard reset by holding the power and home button together for 7 seconds then let go of home and continue holding power this will restart the iPhone..
Was it dropped prior to this