Updating iphone 3GS OS with a 06.15.00 firmware

Discussion in 'iPhone Tips, Help and Troubleshooting' started by PinoySaMI, Sep 2, 2012.

  1. PinoySaMI macrumors member

    PinoySaMI

    Joined:
    Aug 9, 2010
    #1
    I need help. I have an iphone 3GS with 4.2.1 OS and 06.15.00 BB. How do you upgrade the OS to the current 5.1.1? My Iphone has some bugs and I think upgrading the OS might help.
     
  2. Applejuiced macrumors Westmere

    Applejuiced

    Joined:
    Apr 16, 2008
    Location:
    At the iPhone hacks section.
    #2
    You can downgrade the baseband using redsnow.
    Then upgrade to stock 5.1.1 at any time you want.
    If you try to update to stock firmware now with the ipad baseband installed it will not work. You can also make a custom 5.1.1 with redsnow and restore to that so you have 2 options.
    Downgrade the baseband that you're on now and then update to official 5.1.1 or leave the ipad baseband installed and update to custom 5.1.1 ipsw created with redsnow.
     
  3. PinoySaMI thread starter macrumors member

    PinoySaMI

    Joined:
    Aug 9, 2010
    #3
    Thank you for the response but I do not know what to do. Sorry I am not that Techie. Do I just need to run redsnow while my iphone is plugged-in? Also Where Do I get the 5.1.1 pwnage?
     
  4. Applejuiced macrumors Westmere

    Applejuiced

    Joined:
    Apr 16, 2008
    Location:
    At the iPhone hacks section.
    #4
    It's more complicated than that.
    Try to research about it and learn how it works and what it does or if you don't feel comfortable find someone to do it.
     

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