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Thread: How to Jailbreak & Unlock iPhone 3G 4.2.1 (8C148) 05.15.04

  1. #1
    Default How to Jailbreak & Unlock iPhone 3G 4.2.1 (8C148) 05.15.04
    Hi All,

    I need some help and assistance. I am trying to Jailbreak and unlock the above. I read in a forum that it can be done using RedSnow 0.9.6 RC8 and the appropriate .ipsw but I cannot find RedSnow RC8 only RC18 and the phone freezes at the end and doesn't jailbreak. I have also read that it can be done but the GPS is perminently disabled.

    What are my options if I want to keep my GPS? Please help my daughter needs a phone and I am not in a position to buy a new one.

    Thanks

  2. #2
    Retired Moderator iYeow's Avatar
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    Here : MEGAUPLOAD - The leading online storage and file delivery service

    Do the jailbreak first ,then do the iPad bb

  3. #3
    Quote Originally Posted by iYeow View Post
    Here : MEGAUPLOAD - The leading online storage and file delivery service

    Do the jailbreak first ,then do the iPad bb
    Thanks for the quick reply iYeow. I'll try it and let you know how I go.

    I assume this will not disable my phone GPS?

    Sorry one more question. What's the iPad bb? I'm a bit of a newbie at this.
    Last edited by mgz2712; 2011-08-16 at 03:08 AM.

  4. #4
    My iPhone is a Part of Me xtacy's Avatar
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    Jailbreaking won't disable your gps. It's unlocking with the iPad baseband that affects it. iPad baseband as the name suggests is baseband of the iPad 3G .. Through an exploit it can be installed on 3G and 3GS with basebands that are not supported by ultrasn0w such as yours.. There are drawbacks ofcourse once you install it on your phone there is no way to go back to a normal iPhone baseband unless your 3G has 5.08 bootloader..
    Ofcourse the gps is screwed :-)

  5. #5
    Quote Originally Posted by xtacy View Post
    Jailbreaking won't disable your gps. It's unlocking with the iPad baseband that affects it. iPad baseband as the name suggests is baseband of the iPad 3G .. Through an exploit it can be installed on 3G and 3GS with basebands that are not supported by ultrasn0w such as yours.. There are drawbacks ofcourse once you install it on your phone there is no way to go back to a normal iPhone baseband unless your 3G has 5.08 bootloader..
    Ofcourse the gps is screwed :-)
    Thanks Xtacy,

    Is there anyway to dowload a 5.08 bootloader? I would like to keep the GPS if I can

    Quote Originally Posted by iYeow View Post
    Here : MEGAUPLOAD - The leading online storage and file delivery service

    Do the jailbreak first ,then do the iPad bb
    Hi again,

    I dowloaded redSnow from the Megupload link but it is a .rar file and I cannot open it any suggestions?
    Last edited by mgz2712; 2011-08-16 at 04:09 AM.

  6. #6
    Retired Moderator iYeow's Avatar
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    Unzip the file.

  7. #7
    I downloaded bitser and managed to unzip the .rar file.

    I decided that I could live without the gps and think I have successfully jailbroken and unlocked the phone.

    Thanks to everyone for thier help.

    Cheers

  8. #8
    My iPhone is a Part of Me xtacy's Avatar
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    You might wanna downgrade to 3.1.3 it's the best firmware for a 3G

  9. #9
    Thanks Xtacy,

    If I downgrade to 3.1.3 will I need to jailbreak and unlock again?

  10. #10
    My iPhone is a Part of Me xtacy's Avatar
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    Yeah :-)
    It's pretty simple ..
    Download 3.1.3 Ipsw
    Shift restore in iTunes
    1015 error
    Exit recovery from tinyumbrella
    Jailbreak using Spirit
    Download ultrasn0w from cydia
    Done !!

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