Sixth iteration of Apple iPhone, announced on September 12, 2012. Repair of this device is similar to the previous models, requiring screwdrivers and prying tools. Available as GSM or CDMA / 16, 32, or 64 GB / Black or White.

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Stuck in DFU mode, Error 21 in iTunes

My phone is stuck in DFU mode, and when trying to restore via iTunes I receive error 21. The "hosts file" thing isn't applicable as I don't jailbreak (so the entries that you comment out aren't there), I've tried a different computer (3 computers total), and tried 2 different lightning cables all with no luck. Please help!

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I tried two computers, same result. I took the iPhone 5 to an Apple Store. The phone was less than a year old, 9 months, and was replaced.

You have to go to an Apple store to get the replacement on site. When I went to AT&T first, they said they could send the phone in and wait for a replacement. Or, I could charge the replacement to my credit card and hope to be re-imbursed if the original phone was determined to be defective. At the Apple store it took 20 minutes for them to confirm the phone was defective and to replace it.

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Dustin S will be eternally grateful.
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