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AT&T Unlock iPhone 4 04.12.01

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Subject: AT&T Unlock iPhone 4 04.12.01

Iphone Version : 4

Question Posted by : Mladen Dordevic

From : Serbiaatt-unlock-iphone-4-officially

R-SIM IV unlock solution is sad to be out in April. Do you know anything about unlocking 4.12.01 bb ? I’ve seen on some forums that R-SIM IV will be surprise because it can unlock and 4.11.08 and 4.12.01. basebands, but no one knows for sure.

Answer :

AT&T is now unlocking carrier locked phones online . You can read the complete details of AT&T Official Unlock for iPhone 4 .

Did not Preserve Baseband . Unlock AT&T Locked iPhone 4  04.12.01

Iphone Version : 4

Question Posted by : Eugie Manzano

From : Philippines

I accidentally upgraded my iphone 4 to iOS 5.1 with 04.12.01 baseband and did not preserve my baseband . If i restore my iphone, will my iPhone’s baseband get back on its original baseband ? I can’t unlock my iphone 4. If I can’t turn it back, is there any other way to unlock my phone ?

Upgrading Baseband 4.12.01 with iPad baseband 06.15.00 :

Iphone Version : 3GS

Question Posted by : Luca

From : USA

As all the other poor souls who upgraded to iOS 5.1 4.12.01 I’m now stuck . So I was wondering what if I “upgrade” the baseband to that of the iPad (06.15.00) and see if I can unlock the sim ? How good/bad of an idea is that ? Also, in the worst case scenario can I factory restore to get back the 4.12.01 baseband ?
Thanks a lot for all your thoughts. Luca

Answer :

AT&T is now unlocking carrier locked phones online . You can read the complete details of AT&T Official Unlock for iPhone 4

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