iPhone 4 won't turn on/restart

Question

Level 1

15 points

iPhone 4 won't turn on/restart

My iPhone 4 will not turn on, will not reset. Battery is not dead. When I plug it into my laptop, the phone screen brings up the Apple logo for about 5 seconds then disappears and then the process repeats itself. Phone does not appear in iTunes and continues the restart process indefinitely. When plugged into the wall it will start and the screen says to plug it into iTunes.

Any thoughts? Help?

Dell, iOS 4

Posted on Apr 5, 2011 9:48 AM

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Answer 1

sn4p2k

Level 4

1,228 points

Apr 5, 2011 9:52 AM in response to DrGonzo23

Take it into your closest apple store for replacement.

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Answer 2

paulcb

Level 6

19,239 points

Apr 5, 2011 9:55 AM in response to DrGonzo23

Try Recovery Mode... http://support.apple.com/kb/HT1808

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Answer 3

msguided

Level 1

8 points

Jun 10, 2012 10:41 PM in response to paulcb

My phone did this tonight and I was frantic. Saw the original post and PaulCB's response and was so excited that it might be an easy fix. I was able to get the phone to go through most of the restore process, but as it was extracting the sofrtware at the end, i received Errror Message 21 that stated the phone could not be restored. When I looked on Apple's site re: the error message it said it could have something to do with 3rd part security software or the phone's hardware. Any thoughts on that?

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