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  1. #1
    What's Jailbreak?
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    Default Is it possible to upgrade to 4.2.1 on my iPhone 2g and jailbreak and unlock

    It doesn't have to be 4.2.1 but atleast 4.0.

  2. #2
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    You can't go any higher than 3.1.3 on an iPhone 2g and you wouldn't want to if you could it would be terribly laggy and would probably just freeze

  3. #3
    iPhoneaholic jdm.accord's Avatar
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    Quote Originally Posted by Westerman View Post
    You can't go any higher than 3.1.3 on an iPhone 2g and you wouldn't want to if you could it would be terribly laggy and would probably just freeze
    4.2.1 on the 3G is terribly laggy so the 2G probably would catch fire lol

  4. #4
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    +1 the hardware in the 2g just aren't compatible with 4.xx firmware.

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