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2.2.1 upgrade to 3.1.3

jim cahoe

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Mar 4, 2010
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My 3g-16gb Iphone is currently operating on 2.2.1. I plane to jailbrake and unlock my phone. Should I avoid this upgrade? What is the best program to jailbrake and unlock my 2.2.1. If I jailbrake and unlock my 2.2.1 can I then upgrade to 3.1.3?
 

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