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Thread: Can I update my tmobile iphone 4 4.2.1 to a newer version like 4.3? without losing serv

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Can I update my tmobile iphone 4 4.2.1 to a newer version like 4.3? without losing service or whatever like what's the highest i can update it to without losing
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  1. #1
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    Default Can I update my tmobile iphone 4 4.2.1 to a newer version like 4.3? without losing serv
    Can I update my tmobile iphone 4 4.2.1 to a newer version like 4.3? without losing service or whatever like what's the highest i can update it to without losing service n the mod/ sim or whatever. :/ please and thanks

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    Bumppp

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    2k1
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    Depending on ya shsh blobs ya have will determine what firmware you can go to. And you will have to use snow breeze so ya don't lose ya baseband and unlock

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    Quote Originally Posted by 2k1 View Post
    Depending on ya shsh blobs ya have will determine what firmware you can go to. And you will have to use snow breeze so ya don't lose ya baseband and unlock
    Do you think it's risky and complicated ?

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    Quote Originally Posted by 2k1 View Post
    Depending on ya shsh blobs ya have will determine what firmware you can go to. And you will have to use snow breeze so ya don't lose ya baseband and unlock
    is there a tutorial to do this?

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