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  1. #1
    What's Jailbreak?
    Join Date
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    Default what FW can I unlock this iphone 3gs?

    It's an iphone 3gs with 05.15.04 bb.
    iphone is on fw 4.0 and is JB.
    I need to unlock this for T-mobile. Can I unlock this with the fw that it is on? If no then what can I do? Thanks!

  2. #2
    Super Moderator
    Join Date
    Apr 2009
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    You will have to up grase the baseband to 6.15 bb the only problem with that is that you will always be stuck on the bb

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