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Thread: Carrier unlock of 3GS

  1. #1
    Default Carrier unlock of 3GS
    Hi All.

    I have a stock iPhone 3GS which I need to activate so I can use the phone here in Denmark using my local carrier.

    I have read alot here but can't really see thru all the different guides and apps that are needed.

    So I would like an carrier unlock not nessacerily a jailbreak.

    I have not done anything to it so it is fresh from the factory.

    I have a Iphone 3GS - Stock 3.1.3(7E18) firmware and modem firmware 05.12.01 - Model: MB715LL - serial- 84012xxxx so from what I have read I have the old Bootrom, correct??
    Carrier says AT&T 5.6

    So just to recap.
    I would appreaciate any help/links/etc getting this device carrier unlocked.

    Oh and I am on a Mac

    Thanks
    Peter
    Last edited by Delta-sleep; 2010-07-04 at 08:43 PM.

  2. #2
    Green Apple Rapala167's Avatar
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    Not sure there if you have jailbroke your 3GS you should be able to download fuzzy band that will tell you what boot loader you have I'm stuck with 6.04 and from what I've seen there is no unlock available at this time

  3. #3
    Superbad Modder-ator Simon's Avatar
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    You dont necessarily have old bootrom, the only way to tell for sure is to check manually. The easiest way is a tool called idetector, just google it, you put your iphone in dfu and it will tell you if it is old or new bootrom. It doesn't really matter however as you can unlock with either on 3.1.3.
    To unlock, first you need to jailbreak. I assume this is a US iphone since it says AT&T. You will need a AT&T sim to activate it. From here use spirit to jailbreak, then install ultrasn0w from cydia. When using spirit make sure you do not have itunes 9.2 installed, has to be a lower version.
    Last edited by Simon; 2010-07-04 at 01:47 PM.

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    Delta-sleep (2010-07-04)

  5. #4
    Hi Thanks.

    Yes this is a US phone with the AT&T card inserted.

    So I will need to run spirit and the ultrasn0w via cydia. So I have to jailbreak first, yes?

    Can I get OS4 on it and still be unlocked?

    /Peter

  6. #5
    Quote Originally Posted by Delta-sleep View Post
    Hi Thanks.

    Yes this is a US phone with the AT&T card inserted.

    So I will need to run spirit and the ultrasn0w via cydia. So I have to jailbreak first, yes?

    Can I get OS4 on it and still be unlocked?

    /Peter
    Use Spirit from Spirit and then go to Cydia\Manage\Sources, click on repo666.ultrasn0w.com, click on UltraSn0w 0.93, Install it, and you have your device unlocked for any carrier.


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    bartgomes (2010-07-05), Delta-sleep (2010-07-04)

  8. #6
    Superbad Modder-ator Simon's Avatar
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    Quote Originally Posted by Delta-sleep View Post
    Hi Thanks.

    Yes this is a US phone with the AT&T card inserted.

    So I will need to run spirit and the ultrasn0w via cydia. So I have to jailbreak first, yes?

    Can I get OS4 on it and still be unlocked?

    /Peter
    You can only get to OS4 unlocked if you are old bootrom right now. Check that first.

  9. The Following User Says Thank You to Simon For This Useful Post:

    Delta-sleep (2010-07-04)

  10. #7
    Thanks to you all. I have a working phone now.

    If I have a the old bootrom, How do I go about upgrading to IOS4?

    /Peter

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    Delta-sleep (2010-07-04)

  13. #9
    Livin the iPhone Life CaptainChaos's Avatar
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    You should edit your first post to remove most of your serial number.

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    Delta-sleep (2010-07-04)

  15. #10
    Guys my wife accidently updated my 3GS to iOS4 when she pluged it in for charge. I was jailbroken/unlocked on 3.1.2 Is there any way to be jailbroken/unlocked again? (If not I think I sell my phone, no point to keep it for paper weight...) I have old bootrom and have access to PC and MAC.
    Thanks in advance
    Last edited by kpall312; 2010-07-04 at 05:39 PM.
    Success is about living life the way you want to live it and having a damn good time doing it.
    Click on the link to download my Buuf4 Theme version:http://www.mediafire.com/?vjmzdoyyfbk

    Screen shots here:
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    Buuf icon pack download link updated to page 440:http://www.mediafire.com/?zbtkw0q5x6w0u41

  16. #11
    Quote Originally Posted by kpall312 View Post
    Guys my wife accidently updated my 3GS to iOS4 when she pluged it in for charge. I was jailbroken/unlocked on 3.1.2 Is there any way to be jailbroken/unlocked again? (If not I think I sell my phone, no point to keep it for paper weight...) I have old bootrom and have access to PC and MAC.
    Thanks in advance
    Do you have your blobs backed up with Cydia or locally?
    Press Thanks! If Its Worth It!

  17. #12
    Quote Originally Posted by drmias View Post
    Do you have your blobs backed up with Cydia or locally?
    My device had SHSHs on file for iphone OS: 3.1.2 on Cydia.
    Success is about living life the way you want to live it and having a damn good time doing it.
    Click on the link to download my Buuf4 Theme version:http://www.mediafire.com/?vjmzdoyyfbk

    Screen shots here:
    http://modmyi.com/forums/new-skins-themes-launches/32178-buuf-353.html#post5116856
    Buuf icon pack download link updated to page 440:http://www.mediafire.com/?zbtkw0q5x6w0u41

  18. #13
    Retired Moderator iYeow's Avatar
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    Quote Originally Posted by Delta-sleep View Post
    Hi All.

    I have a stock iPhone 3GS which I need to activate so I can use the phone here in Denmark using my local carrier.

    I have read alot here but can't really see thru all the different guides and apps that are needed.

    So I would like an carrier unlock not nessacerily a jailbreak.

    I have not done anything to it so it is fresh from the factory.

    I have a Iphone 3GS - Stock 3.1.3(7E18) firmware and modem firmware 05.12.01 - Model: MB715LL - serial- 84012xxxx so from what I have read I have the old Bootrom, correct??
    Carrier says AT&T 5.6

    So just to recap.
    I would appreaciate any help/links/etc getting this device carrier unlocked.

    Oh and I am on a Mac

    Thanks
    Peter
    You have the new bootrom, I can tell by the serial you provided. You can jailbreak with Spirit, make sure you are not running Itunes 9.2, anything from 8.2 to 9.0 is fine. If you are using Windows, make sure you check the windows 98 compatibility mode. After running Spirit, you can go to Cydia, let it update, you should fine Ultrasn0w Version 0.9.3 under Bigboss and install it . You should be jailbroken and unlock at 3.1.3. This is the furthest you can go for new bootrom as there is no jailbreak at iOS 4.0 for new bootrom yet.

  19. #14
    Quote Originally Posted by kpall312 View Post
    My device had SHSHs on file for iphone OS: 3.1.2 on Cydia.
    Then it's okay and you can downgrade to 3.1.2 anytime!!
    Use this: http://modmyi.com/guides/restore-iphone-3gs-3-1-2-using-shshs-file-cydia-windows/

    Quote Originally Posted by Rapala167 View Post
    Not sure there if you have jailbroke your 3GS you should be able to download fuzzy band that will tell you what boot loader you have I'm stuck with 6.04 and from what I've seen there is no unlock available at this time
    NOO!! no one has talked about the bootloader!! BOOTROM and BOOTLOADER are not the same!! Which means that maybe in your case, there is a solution that you didn't know!!!
    Download if0recast to check which bootrom have you got.
    Last edited by drmias; 2010-07-05 at 10:28 AM. Reason: Automerged Doublepost

  20. The Following User Says Thank You to drmias For This Useful Post:

    kpall312 (2010-07-05)

  21. #15
    Thanks for all your help, but at the very end when I think it's gonna do it I'm getting the error code (1015), I just wait for JB...
    Success is about living life the way you want to live it and having a damn good time doing it.
    Click on the link to download my Buuf4 Theme version:http://www.mediafire.com/?vjmzdoyyfbk

    Screen shots here:
    http://modmyi.com/forums/new-skins-themes-launches/32178-buuf-353.html#post5116856
    Buuf icon pack download link updated to page 440:http://www.mediafire.com/?zbtkw0q5x6w0u41

  22. #16
    Quote Originally Posted by kpall312 View Post
    Thanks for all your help, but at the very end when I think it's gonna do it I'm getting the error code (1015), I just wait for JB...
    Error 1015 is pretty fine!!! And means that the restore is done but you're stuck in recovery mode loop, and it's very easy to bypass!! Download iReb from iH8Sn0w.com click on 'Fix Recovery Mode Loop' and you're absolutely done!!


    Press thanks! If I helped.

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