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Thread: 3gs 4.1 baseband 06.15.00 . . cannot unlock?

  1. #1
    I tried to JB my iPHone 4.1 with PwnageTool 4.1.3.
    For now, I can see the baseband is 06.15.00-6.4_M3S2 from TinyUmbrella, but the phone is still locked.

    And I try to restored from the customized ipsw file by iTunes, it showed me 1604 error??

    Any clues? Thanks

    PSo I need to start TinyUmbrella's TSS server to fool iTunes?

    Jack
    Last edited by 6littleboys; 07-31-2011 at 10:43 AM.

  2. #2
    My iPhone is a Part of Me
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    To unlock it when it has a 6.15 baseband you need to download "Ultrasn0w" from Cydia in order to unlock it.
    If I helped you in any way, please click on the button!

  3. #3
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    Quote Originally Posted by Jcbzr View Post
    To unlock it when it has a 6.15 baseband you need to download "Ultrasn0w" from Cydia in order to unlock it.
    +1. What he said.
    Since it is a custom firmware Cydia should already be installed. All you have to do is install Ultrasn0w now

  4. #4
    Sorry, I can not access Cydia since it stuck on the "emergency call" screen and said there is not a activated SIM card
    Last edited by 6littleboys; 07-31-2011 at 12:24 PM.

  5. #5
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    Quote Originally Posted by 6littleboys View Post
    Sorry, I can not access Cydia since it stuck on the "emerge call" screen and said there is not a activated SIM card
    You'll need to hacktivate the device then if you can't use an official carrier sim.

  6. #6
    I find a link:
    Hacktivate iPhone 4 on iOS 4.1 with GreenPois0n Confirmed | Redmond Pie
    Then it bring me to Redsn0w 0.9.5. I doubt it will work since Redsn0w 0.9.8 ending in an unexpected error.

    Update: redsn0w_mac_0.9.5b5-5 can not recognize iPhone2,1_4.1_8B117_Restore.ipsw
    Last edited by 6littleboys; 07-31-2011 at 12:56 PM.

  7. #7
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    Quote Originally Posted by 6littleboys View Post
    I find a link:
    Hacktivate iPhone 4 on iOS 4.1 with GreenPois0n Confirmed | Redmond Pie
    Then it bring me to Redsn0w 0.9.5. I doubt it will work since Redsn0w 0.9.8 ending in an unexpected error.

    Update: redsn0w_mac_0.9.5b5-5 can not recognize iPhone2,1_4.1_8B117_Restore.ipsw
    pwnage tool or sn0wbreeze should both have options to help you hacktivate the device when creating custom firmwares.

    Click on "No" when PwnageTool asks you “Do you have an iPhone contract that would activate normally through iTunes"

    http://www.redmondpie.com/how-to-jai...agetool-guide/
    Last edited by ihappy; 07-31-2011 at 01:17 PM.

  8. The Following User Says Thank You to ihappy For This Useful Post:

    6littleboys (07-31-2011)

  9. #8
    Quote Originally Posted by ihappy View Post
    pwnage tool or sn0wbreeze should both have options to help you hacktivate the device when creating custom firmwares.

    Click on "No" when PwnageTool asks you “Do you have an iPhone contract that would activate normally through iTunes"

    Jailbreak iPhone 3GS on iOS 4.1 with PwnageTool [How to Guide] | Redmond Pie
    No success with pwnagetool 4.1.3, will give a try with this version

  10. #9
    This version of pwnagetool(4.1) said I don't appear to have iTunes 8.0 or later
    With the customized ipsw by pwnagetool4.1, iTunes has the same 1600 error in iMac and PC. For 1600 error, Apple suggest to remove and re-install iTunes.

    Remove and re-install iTunes 10.4, no progress.

    Try the ipsw built by pwnagetool4.1.3, this time iTunes shows 1604 error,USB problem. But the same cable restore stock ipsw without any problem.

    Try redsn0w, it runs faster than pwnagetool, but shows "unexpected error" in the end.

    One more question:
    Should I put the iPhone in DFU mode or RECOVERY mode when using iTunes to restore?
    In RECOVERY mode, iTunes shows one phone in the sidebar.
    In DFU mode, it shows 2 phone in the iTunes sidebar.

    UPDATE:
    I fire up TinyUmberlla, it shows DFU device twice.
    07/31/2011 18:08:12.166 DFU Device connected
    07/31/2011 18:08:12.273 DFU Device connected
    It looks like there is some problem with the USB system. Or the phone real sick?
    Any clues to fix this?
    Last edited by 6littleboys; 07-31-2011 at 05:11 PM.

  11. #10
    It works finally!
    The only different for 4.1 FW is to "exit recovery" not "Fix Recovery" in TinyUmbella.
    Many thanks to ihappy,tarekelmalah! Without their kindly advice, my iPhone is still a brick!

    To summery up:
    What I have is an iPhone4.3.5 with iPad Baseband 6.1.5, update from 4.3.3 by accident and stuck in DFU loop.

    1.Download 4.1 stock firmware from apple.
    2.Restore 4.1 directly using iTunes.
    3.Backup 4.1 SHSH using TinyUmbella.
    4.Make a custom firmware using PwnageTool_4.1.3.
    5.Restore 4.1 custom firmware using iTunes.
    6."Exit Recovery" using TinyUmbella if need.


    PwnageTool_4.1.3
    Dev-Team Blog - Ultra-recycle

    TinyUmbella 5.00.07
    http://cache.firmwareumbrella.com/do...la-5.00.07.pkg

    iPhone 4.1 stock firmware
    http://appldnld.apple.com/iPhone4/06...7_Restore.ipsw

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