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Thread: Do I JB first and then Unlock? (3GS)

  1. #1
    Question Do I JB first and then Unlock? (3GS)
    iPhone 3GS
    Version 5.0
    Baseband 06.15.00
    Model MB715LL


    Was used for AT&T now want to use for Tmobile. What would be the proper procedure to successfully jailbreak and unlock this phone?


    Thank you!!!!!!!

  2. #2
    Sug Luv Super Moderator 2k1's Avatar
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    Jailbreak first then use ultrasnow to unlock

  3. #3
    Ok, so I will jailbreak the firmware 5.0 and then use ultrasn0w? I don't need a custom ipsw?

  4. #4
    Sug Luv Super Moderator 2k1's Avatar
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    If you stay on 5.0 no but whenever ya update ya firmware in the future yea you will need to preserve that baseband.

  5. #5
    On the ultrasn0w page in the devteam section and it says don't use redsn0w when using ultrasn0w? This is getting me confused.

    I downloaded the latest redsnow. I will jailbreak the 3GS right now. and where can i download ultrasn0w? I can't find the link. Thanks.

  6. #6
    Livin the iPhone Life celeron's Avatar
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    You download ultrasnow after jailbreaking on cydia
    If my post was good, click the button in my post

    New to jailbreaking? Have a look at my Redsn0w Guide

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    yakabod (04-12-2012)

  8. #7
    This is wack! I JB it and it said it's currently tethered! How can i make this untethered instead?!

  9. #8
    Livin the iPhone Life celeron's Avatar
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    You cant. 5.0 is tethered
    If my post was good, click the button in my post

    New to jailbreaking? Have a look at my Redsn0w Guide

  10. The Following User Says Thank You to celeron For This Useful Post:

    yakabod (04-12-2012)

  11. #9
    What firmware can i update it too to make it untethered? 5.0.1? or should i just update to 5.1?

  12. #10
    Livin the iPhone Life celeron's Avatar
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    5.0.1 is untethered but you can only update to that firmware if you have the shsh blobs saved for it
    If my post was good, click the button in my post

    New to jailbreaking? Have a look at my Redsn0w Guide

  13. #11
    hmm... i just loaded cydia and the is says SHSH: iOS 4.1, 4.2.1r1, 4.3 and 5.0.1. Does that mean im good to upgrade? whats the next step?

  14. #12
    Livin the iPhone Life celeron's Avatar
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    You can downgrade to 4.1 or update to 5.0.1.

    To go to 5.0.1 Download tinyumbrella. And go to the advanced tab and make sure every option is checked except for the iphone 4 baseband option. Start tss server and update thru itunes.

    Remember you have to make a custom firmware to preserve baseband, di that with sn0wbreeze or redsn0w.
    If my post was good, click the button in my post

    New to jailbreaking? Have a look at my Redsn0w Guide

  15. #13
    if you were on AT&T and have iPhone 3GS then it must be a old phone.
    You can ask AT&T to unlock you phone. They are unlocking contract free iPhones.
    If you qualify then you don't need to use ultrash0w anymore. just need to jailbreak.

    Hereís how to use AT&Tís online chat to unlock your iPhone

  16. #14
    Sug Luv Super Moderator 2k1's Avatar
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    If you have the old bootrom for the 3GS you can be untethered on any firmware.

  17. #15
    you must have already done summin as you state you have BB 06.15.00 which is ipad bb and cant be changed at the mo,but of course is unlockable..

  18. #16
    He'll always have to have it jailbroken so the baseband will work, no?

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