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Unlock iPhone 3GS 3G iOS 4, 3.1.3 guide
pls guys i need ya help my brother brought iphone 3gs the iphone but went every i insecrt my sim card the iphone keep rejecting it pls help and m using version 4.3.1…. thank you
If you upgraded with iTunes, there is no software solution. But you can buy a piggyback sim that should work with it.
More info: http://obamapacman.com/iphone-guides/
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