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Thread: Unlocking Iphone 3G - 4.0.1 Please Help

  1. #1
    Default Unlocking Iphone 3G - 4.0.1 Please Help
    I'm followed this tutorial to unlock my Iphone
    How to Unlock iPhone 3GS/3G on 4.0 Firmware
    which uses ultrasn0w, but I still get no service.

    I bought the Iphone pre-jailbroken from ebay so I'm not sure what jailbreaking method was used.

    I see that in the tutorial he used 4.0 firmware but a few people have commented that 4.0.1 worked for them. Am I doing something wrong?

  2. #2
    iPhoneaholic dotFIVE's Avatar
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    Try opening up SBSettings and choosing the "reboot" option and see if you get service then.

  3. #3
    iPhone? More like MyPhone
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    unlock should be the same regardless of what jb method was used. have you tested a different sim?

  4. #4
    I've just installed SBSettings and rebooted the Iphone with no luck. I've tried another sim car from a different network still with no luck. The phone is locked to AT&T and I'm in Australia so I can't even try a AT&T sim. Is there any other apps to try? Would downgrading firmware work?
    Last edited by Buttsack; 2010-10-05 at 01:33 AM.

  5. #5
    iPhoneaholic dotFIVE's Avatar
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    What's your baseband? Maybe you can try unlocking with blacksn0w (check to see if it's compatible with your baseband first) if ultrasn0w didn't work for you.

  6. The Following User Says Thank You to dotFIVE For This Useful Post:

    Buttsack (2010-10-14)

  7. #6
    Basband is 05.14.02
    I don't think I can unlock with this baseband at the moment until the next update. I'll do a bit more searching.
    Thanks for the help so far
    Last edited by Buttsack; 2010-10-14 at 12:37 PM.

  8. #7
    I have two iphones 3g with BB 5.12 and 5.13 IOS 4.1 unlocked with ultras0w 1.1.1 from Cydia(repo666)and NO SERVICE!!!
    Maybe somebody can help??
    thanks in advance

  9. #8
    Just found out my bootloader is 6.04 so I can't even use Fuzzyband from Cydia to downgrade my baseband

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