In an earlier IBTimes UK report, it was announced that AT&T had decided to unlock iPhones of off-contract users. Furthermore, other earlier reports have discussed eligibility criteria and the service provider's method of unlocking the iPhone using back-up and restore from iTunes.

There is, however, a downside to this process - you are forced to compromise the untethered jailbreak during iTunes' restoration.

MuscleNerd, the brains behind the iPhone-Dev Team has unearthed a workaround to help you enjoy the untethered jailbreak while also successfully factory-unlocking the iPhone from AT&T, reports JBU.

How To Unlock iPhone 4/3GS Without Losing Jailbreak Using Redsn0w:

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