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Thread: Unlock iPhone 4 and iPhone 3GS on iOS 4.3.1 Using Ultrasn0w Fixer

is a discussion within the

Unlocking / Activation

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As we all know It was not possible to unlock iPhone 4 and iPhone 3GS using Ultrasn0w after untethered iOS 4.3.1 jailbreak.The issue has been fixed and released as Ultrasn0w
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  1. #1
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    Default Unlock iPhone 4 and iPhone 3GS on iOS 4.3.1 Using Ultrasn0w Fixer
    As we all know It was not possible to unlock iPhone 4 and iPhone 3GS using Ultrasn0w after untethered iOS 4.3.1 jailbreak.The issue has been fixed and released as Ultrasn0w 4.3.1 fixer.

    Note:
    • Ultrasn0w unlock is supported by Sn0wbreeze 2.4b1 for following basebands.
    • Baseband 01.59.00 (iPhone 4)
    • Baseband 04.26.08 (iPhone 3GS)
    • Baseband 05.11.07 (iPhone 3GS)
    • Baseband 05.12.01 (iPhone 3GS)
    • Baseband 05.13.04 (iPhone 3GS)
    • Baseband 06.15.00 (iPhone 3GS)
    • iPhone 3GS baseband will be upgraded to iPad baseband 06.15.00 after that only iPhone 3GS can be unlocked.By upgrading to baseband 06.15.00 you might lose your GPS feature.
    • You need to have a jailbroken iOS 4.3.1 device.

    Steps 1: Launch Cydia on your jailbroken iPhone 4 or iPhone 3GS on iOS 4.3.1.
    Steps 2: Tap on Manage tab at the bottom of the screen.
    Steps 3: Select Sources from opened Manage window.

    Steps 4: Select Edit and then select Add.
    Steps 5: Type repo as Cydia.pushfix.info

    Steps 6: Tap on Add Source.Once the source has been added by Cydia then Tap on Return to Cydia button.
    Steps 7: As soon as the installation is completed please search for "Ultrasn0w fixer for 4.3.1" in Cydia and install it.

    It will automatically unlock your iPhone 4 or iPhone 3GS on iOS 4.3.1 running following basebnds
    • Baseband 01.59.00 (iPhone 4)
    • Baseband 04.26.08 (iPhone 3GS)
    • Baseband 05.11.07 (iPhone 3GS)
    • Baseband 05.12.01 (iPhone 3GS)
    • Baseband 05.13.04 (iPhone 3GS)
    • Baseband 06.15.00 (iPhone 3GS)

    Steps By Steps Guide - Unlock iPhone 4 and iPhone 3GS on iOS 4.3.1 Using Ultrasn0w Fixer | Unique Destination for anything Apple, and GizmOs

  2. The Following User Says Thank You to dev10051981 For This Useful Post:

    vercetti (04-06-2011)

  3. #2
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    I've just tried this on my 3gs with 4.3.1 -Firmware 06.15.00 and works great!!!

    Many thanks guys.. xx.

  4. #3
    iPhone? More like MyPhone
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    didnt work for me

  5. #4
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  6. #5
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    Didn't work for me either???

  7. #6
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    This sort of works for me... I have really bad reception (1 bar), but it "works" and the other ultrasnow fixer (the one from the djayb6 rep) didn't at all.

  8. #7
    Green Apple
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    same here i only have 1 bar but the question is does it realy wok with the 1 bar? Can i receive any txt message from any1

  9. #8
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    would it be possible to upgrade the iPhone 4's baseband to 6.15 using the latest version of Redsn0w and then unlock it, just like a 3G or 3GS?
    T4

  10. #9
    Superbad Modder-ator Simon's Avatar
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    Quote Originally Posted by Naseeh View Post
    would it be possible to upgrade the iPhone 4's baseband to 6.15 using the latest version of Redsn0w and then unlock it, just like a 3G or 3GS?
    No, that does not work on iPhone 4.

  11. #10
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    Ive tried to install the ultrafixer but this is the message i get. the requested modifications cannot be applied due to required dependencies or conflicts that can not be automatically found or fixed. Help

  12. #11
    Superbad Modder-ator Simon's Avatar
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    You dont need ultrasnow fixer anymore. Ultrasnow was officially updated to to fix the issues.

  13. #12
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    Ok but when i put my T Mobile sim in i get no service. Whats the cause of this?

  14. #13
    Superbad Modder-ator Simon's Avatar
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    What is your baseband?

  15. #14
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    6.15.00 Jail broke via redsn0w rc12.

  16. #15
    Superbad Modder-ator Simon's Avatar
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    Make sure 3G is off and try rebooting.

  17. #16
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    3g is off. I have rebooted this thing a dozen times with no change

  18. #17
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    You dont still have the ultrasnow fixer installed do you?

  19. #18
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    No it wont let me install it.

  20. #19
    Superbad Modder-ator Simon's Avatar
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    Try reinstalling ultrasnow

  21. #20
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    ok ill try that again. i have re jail broke this thing like 1o times. whats 1 more time with ultrasn0w

    Ok i feel really really really stupid. the antenna was disconnected in the phone. Thank you all so much for the help. boy do i feel retarded.
    Last edited by Peasey; 04-11-2011 at 01:03 PM. Reason: Automerged Doublepost

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