How do I get T-Mobile to work on my 3.1.2 Please Help

Discussion in 'Jailbreaks and iOS Hacks' started by asl06, May 31, 2010.

  1. asl06 macrumors member

    Dec 29, 2009
    I just purchased an 16GB 3gs unlocked and I tried putting my t mobile card in it and it doesn't work. Please helppppp!

  2. Applejuiced macrumors Westmere


    Apr 16, 2008
    At the iPhone hacks section.
    Is it already JB?
    Go into settings,general/about and let us know what modem firmware version you're on.
    Do you see a cydia icon?
  3. asl06 thread starter macrumors member

    Dec 29, 2009
    Yes it's jailbroken with the Cydia icon. the modem firmware is 05.11.07

    thanks for the help!
  4. ste1164 macrumors 6502a


    Jan 4, 2009
    You should go into cydia and download blacksn0w it should unlock your phone. Turn 3G off as T-Mobiles 3G bands are not supported by the iPhone. Then insert you T-Mobile sim.

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