Unlock iPhone 3GS Softbank iOS 6.1.2?

Discussion in 'iPhone Tips, Help and Troubleshooting' started by mnya, Mar 2, 2013.

  1. mnya macrumors member

    Joined:
    Jul 20, 2012
    #1
    Would you please help me figure out if & how unlocking my iPhone is possible?
    - 3GS
    - Softbank-locked (I still have the SIM)
    - iOS 6.1.2 (I did not save iOS 4 / 5 SHSH blobs when updating)
    - 16GB

    I want to unlock it so I can use it on a prepaid plan with a carrier in the U.S.
    Ideally I would like to have all the functions like data, call and text.
    Thanks!!!
     
  2. luigismartphone macrumors member

    Joined:
    Mar 2, 2013
    Location:
    Florence, Italy
    #2
    Jailbreak it with Redsn0w and flash the 06.15.00 iPad baseband (also with Redsn0w) and install Ultrasn0w from Cydia or buy an IMEI unlock from http://www.officialiphoneunlock.co.uk
     

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