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AT&T iPhone 4 official unlock

1616 Views 2 Replies Latest reply: Apr 30, 2012 6:34 PM by rs7272 RSS
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Apr 30, 2012 3:05 PM

I have a spare iPhone 4 which is currently not in use. It is out of contract and was bought at full price. I did the AT&T process and I got the email from AT&T saying that I can unlock it by doing the restore. Now when I do that I do not see the unlock screen and using tmobile shows SIM Failure.

 

During the process I gave AT&T my phone number which I use on a blackberry and not the iPhone. Does it matter that when I restore the iPhone, the SIM inside has to be of my phone number that I gave AT&T? Or it should unlock no matter if I use any sim (even tmobile) during the restore?

iPhone 4, iOS 5.1

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