iPhone 3GS unlock options [6.4 bootloader / 05.15.04 baseband]

Discussion in 'Jailbreaks and iOS Hacks' started by george81, Mar 28, 2011.

  1. george81 macrumors newbie

    Nov 7, 2010
    Hi, I just got an iphone 3GS from AT&T and I saw in a few threads that this version of the bootloader in combination with the baseband, make the phone not unlock-able.

    Is there anyone who had success unlocking their iphone with the above specs?

    The phone came with 4.2.1 software, and I have saved my SHSH with Tinyumbrella.

    Have only tried limera1n so far, but no luck.

    Attaching info from f0recast.

    Thanks a lot!

    Attached Files:

  2. Applejuiced macrumors Westmere


    Apr 16, 2008
    At the iPhone hacks section.
    That's the baseband that comes with 4.2.1
    You cannot unlock it currently unless you decide to JB and install the ipad BB.
    Then you could unlock with ultrasnow but you'll lose your GPS function and wont be able to restore to official firmware.
    Your choice.
  3. Crystal-RX macrumors 68030


    Dec 22, 2008
    Seattle, WA USA
    Limera1n works for 4.1 and does not work for 4.2.1. Use greenpois0n and you will have an untethered jailbreak.

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