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Thread: 3gs running 3.1.2 looking to upgrade to 4.0

  1. #1
    Default 3gs running 3.1.2 looking to upgrade to 4.0
    hey guys i have a 3gs iphone jb & unlocked on 3.1.2 using blackra1n. i am wanting to upgrade to 4.0

    phone specs are 3gs MC model, modem firmware 05.11.07

    a link to a site with a great how to would be sweet! any help would be nice.

    thanks

  2. #2
    ok it is possible to upgrade to a jb ios4 but its tricky, unless you have an old bootrom
    check if your device is old bootrom with this tool iH8sn0w.com | Jailbreak your iPod touches and iPhones
    if its old bootrom you can make a custom ispw with snowbreeze and have a jb ios4.

  3. The Following User Says Thank You to iNeo For This Useful Post:

    TRUCKINLOW (2010-07-27)

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