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Thread: 3g with firmware 3.1

  1. #1
    Default 3g with firmware 3.1
    can it be unlocked with ultrasn0w sorry if answered
    need a quick answer cuz my friend bout to buy i Iphone
    and i told him ill unlock it for him

  2. #2
    Community Manager Bo Troxell's Avatar
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    No, not if it has been restored in iTunes with out using a 3.0 .ipsw

  3. #3
    so even if i get a custom 3.1 think it cant be unlocked at all

  4. #4
    Community Manager Bo Troxell's Avatar
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    Nope, because the baseband has been updated and can not be unlocked, perhaps ever.

  5. The Following User Says Thank You to Bo Troxell For This Useful Post:

    melo107 (2009-10-01)

  6. #5
    thanks im giving u a thnaks now u were very helpful

  7. #6
    that's not fully true!!

    If your iPhone 3G update to official apple 3.1, then it will upgrade your base band to which you can't unlock. BUT, if you search in google, there is a way to downgrade baseband (if you are qualify) back to 04.26.08.

    Downgrade iPhone 3G Firmware 3.1 Baseband 05.11.07 to 04.26.08 | Redmond Pie

    This will work if and only if your baseband is 05.11.07 after update to 3.1. You can check by going into setting, general, about.

    This is what I had done to my iPhone 3G (official apple 3.1 firmware)
    - Check baseband to see if I can downgrade
    - If yes, downgrade iPhone from 3.1 to 3.0.1
    - jailbreak 3.0.1
    - follow the steps on how to downgrade baseband
    - then jailbreak with custom 3.1 firmware
    - ultrasn0w to unlock

    I'm with AT&T, but I tried my phone with T-Mobile sim card and it works (remember turn off 3G)

    All these above is based on my experiences and all the details on how to jailbreak, downgrade baseband, and downgrade firmware can be find on the website above. Try at your own risk!!

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