Jailbreak/unlock confusion

Discussion in 'Jailbreaks and iOS Hacks' started by stupendusboi, Jan 7, 2010.

  1. stupendusboi macrumors member

    Joined:
    Sep 8, 2007
    #1
    Hi, i have a iphone 3g 3.0 jailbroken/unlocked.

    I bought a couple apps that only run on 3.1+ and i decided to upgrade to 3.1.2

    After I googled instructions, I started seeing warnings that said not to upgrade as the baseband or bootloader or something to that regard, will be upgraded and could not be unlocked

    I looked at the guide posted as a stickie, and I am still confused.

    Could someone tell me if it is possible to upgrade 3.0 to 3.1.2 and jailbreak/unlock it?

    And if so, can anyone tell me what to do in simple terms?

    thank you so much :)
     
  2. SpaceKitty macrumors 68040

    SpaceKitty

    Joined:
    Nov 9, 2008
    Location:
    Fort Collins Colorado
    #2
    That's an old warning. Upgrade and then run blackra1n and then you can unlock if you want. You don't have to unlock it if you are with your normal carrier such as AT&T.
     
  3. thelatinist macrumors 603

    thelatinist

    Joined:
    Aug 15, 2009
    Location:
    Connecticut, USA
    #3
    If you have or have access to a Mac (or can obtain a pre-jailbroken firmware online), I would strongly recommend using PwnageTool to jailbreak your phone. In this way you will be able to preserve your phone's old modem software (baseband) and be able to use the ultrasn0w unlock rather than the less reliable blacksn0w unlock. Blacksn0w causes WiFi connectivity issues for ~10-20% of users.

    If you have already upgraded to the official 3.1.2 firmware, then it is too late and your only option is blacksn0w.
     

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