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Iphone4 stopped working

I had the same problem, i charged my iphone till it was 100% then went to bed, next morning my iphone wouldnt start at all. so i followed these steps and it woke up. i was about to get mad, because just last week i had my iphone replaced cause the camera wasnt doing autofocus...

apple said that the ios 4.2 is going to fix all these problems. but guess we will see.

Thanks for the help
 
same thing happened to me this morning! ahhh! why do i hate to LOVE apple.
 
As for me ... Danny boy's solution worked. I'm running OS5 and the cloud ... Nothing lost.


**After this step you will havetoo re-load the OS thru iTunes**


To put the iPhone into DFU mode so you can do an iTunes firmware restore follow these steps:

Step One
Open iTunes and connect the iPhone to your Mac.


Step Two
Press and hold the Home button and the Sleep/Wake button at the same time.


Step Three
After exactly 10 seconds release the Sleep/Wake button. Continue holding the home button until you iTunes pops up a message telling you that it has detected an iPhone in recovery mode.


The iPhone screen will remain black.


NOTE***: It may take a few attempts to get your iPhone into DFU mode. Generally, I hold down both buttons then release the Home button just before I think the Apple logo would appear. If you are still holding both buttons down and you see the Apple logo you are holding them down for too long!
 
Thank you Dannyboy. Mine phone quit. I did what you said and it lives again! =)
 
This just happened tonight with my 4s. It has iOS 5 and a ton of apps on it that took me soooo much time to finally get right. Not to mention all my important appointments, reminders, lists, and notes. I am currently following your instructions and mercifully, it seems to be working. Thank goodness for people like you and forums like this. I was just getting into bed when it happened, but had to get up and do this because it would have haunted me all night! Thank you, thank you, thank you!
 
did you do a restore? if you have a backup just do a restore to a backup and your files will all be there as long as you have them on the computer and backed up
 
Same thing just happened to me today. I was in the middle of a text and the screen just slowly faded to black and that was that. The phone won't reboot and isn't recognized in itunes. I called apple. They're sending me a new phone. This one is less than a month old.


This just happened tonight with my 4s. It has iOS 5 and a ton of apps on it that took me soooo much time to finally get right. Not to mention all my important appointments, reminders, lists, and notes. I am currently following your instructions and mercifully, it seems to be working. Thank goodness for people like you and forums like this. I was just getting into bed when it happened, but had to get up and do this because it would have haunted me all night! Thank you, thank you, thank you!
 
This seems to be working. Am I going to lose all of my purchased music and contact information???
 
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