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Thread: A little help with a 3g Unlock issue

  1. #1
    Default A little help with a 3g Unlock issue
    I have a 3g running on 4.0, baseband 5.13.04 and bootloader 6.4, the motherboard is MB046.

    I can jailbreak with Redsnow version 0.9b 5 - 3 and everything goes fine. I open Cydia and download Ultrasn0w to unlock it and that goes according to plan as well. The issue happens when I drop in the Tmobile sim card after reboot. It will not read the Tmo sim and it just say's "No Service". I read all over and supposedly Ultrasn0w unlocks this baseband or did I miss something? I appreciate this in advance.

  2. #2
    Retired Moderator iYeow's Avatar
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    Quote Originally Posted by iphonemedic View Post
    I have a 3g running on 4.0, baseband 5.13.04 and bootloader 6.4, the motherboard is MB046.

    I can jailbreak with Redsnow version 0.9b 5 - 3 and everything goes fine. I open Cydia and download Ultrasn0w to unlock it and that goes according to plan as well. The issue happens when I drop in the Tmobile sim card after reboot. It will not read the Tmo sim and it just say's "No Service". I read all over and supposedly Ultrasn0w unlocks this baseband or did I miss something? I appreciate this in advance.
    Turn off your 3G, you will get service

  3. #3
    tried it nothing new

  4. #4
    Having the exact same issue here.

    iPhone 3G 4.0
    JBed with sn0wbreeze 1.6.2
    Unlocked with ultrasn0w
    3G is turned OFF

    All i get is 'No Service'.

    **EDIT: Shoulda rebooted after all that. After a reboot, all is well on T-Mobile!
    Last edited by justincase; 2010-07-04 at 09:16 PM.

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    Retired Moderator iYeow's Avatar
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    Quote Originally Posted by justincase View Post
    Having the exact same issue here.

    iPhone 3G 4.0
    JBed with sn0wbreeze 1.6.2
    Unlocked with ultrasn0w
    3G is turned OFF

    All i get is 'No Service'.

    **EDIT: Shoulda rebooted after all that. After a reboot, all is well on T-Mobile!
    Huh, all you did was a reboot after the install of Ultrasn0w.

  6. #6
    After turning off 3G, yes.

  7. #7
    Retired Moderator iYeow's Avatar
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    Quote Originally Posted by justincase View Post
    After turning off 3G, yes.
    Yeah, you have to turn off 3G on T-mobile.

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