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- Jan 1, 2013
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Hello people I´d like to jailbreak and unlock my 3g iOS 4.2.1 BB 05.15.04 As far as I´ve read this baseband is not compatible with ultrasn0w to get it unlocked, so please correct me if I´m wrong. What I have to do is jailbreak it upgrading to the ipad baseband 06.15.00, unlock it with ultrasn0w and then downgrade to a previous baseband with redsn0w because I dont want to lose the GPS. Am I on the right way?