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Fourth generation iPhone. Repair is straightforward, but the front glass and LCD must be replaced as a unit. GSM / 8, 16, or 32 GB capacity / Model A1332 / Black and White. This page aims to help users troubleshoot, fix, and seek help for the iPhone 4.

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My Phone will not turn on, charge or even be recognized.

My iPhone will not turn on, Charge or be recognized by iTunes. I cannot put it in too DFU mode since my lock button does not work. Help?!?!? Any way i can reset my phone through my Laptop/externally

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you also should replace your lock button.

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Sounds like you need a new dock if your phone won't charge in the wall

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If it turn off by itself randomly then I would replace the battery I'm 99% sure that's the problem

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My first suggestion would be to disconnect the battery as a soft reset, if you have the proper tools. If that doesn't work you may need to replace a part or two. Also, was the phone water damaged? Or how did this problem start?

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We are going to try and disconnect the battery once the correct tools arrive, Which parts might need replacing? No the phone wasn't water damaged. The phone was fine, i left the room for 5 mins (phone was about 20% battery when i left) i came back and the phone was off and in the current predicament

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Well definitely try the battery first. Your charger port flex may possibly need replaced, and at worst, your logic board may need repaired. But let me know how the battery helps!!

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disconnecting the battery and reconnecting it worked. but the phone keeps on turning off randomly even with more than half charge, only way to make it work is to keep on disconnecting the battery. I have a new lock button and a new proximity sensor ready to be fixed ASAP could they be the solution

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okay! When you say it keeps turning off, is it doing that as soon as you make a phone call? If so then the prox sensor could be the problem. If it happens totally random then it could be other things

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No, it turns off just randomly then wont come back on unless i take the battery out then put it back in..

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Im having the same problem.

Is it simple to disconnect and reconnect the battery.

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Same here, just disconnected the battery and reconnected it, works now but just randomly shut off and itunes didnt like to notice it was connected..

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The same thing happened to me. Was around 20% battery and hung himself. Now the iphone not connecting more and no loads.

Have removed the battery and put it again, but it did not work.

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My iphone4 turned itself off while sitting on the counter 5 days later after numerous tries of every suggestion online I had giving up then magically and I'm not kidding the phone turns on by itself like nothing happened was really relieved but what a frustrating week! What could cause this to happen

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I don't have an IPhone, I have an android Samsung and this has just happened to me. I cannot remove my battery as the back is sealed, what can I do?!

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Daniel Stoddart will be eternally grateful.
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