iOS 4.0 Ultrasn0w help!1! urgent!!!

Discussion in 'iOS Jailbreak & Cydia' started by metalmilitia, Aug 29, 2010.

  1. metalmilitia

    metalmilitia Member

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    Hi. I'm trying to unlock an iPhone 3GS baseband 05.12.01 with the latest version of ultrasn0w. We just jailbroke it with star and now we are trying to unlock it. The first time I ran it, it got stuck and did not respond, so i rebooted the device, went into cydia, and checked if it was "installed" and it was. I then tried to put in a T-Mobile SIM card and it did not work

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    . It gave the no sim installed error. Can somebody please tell me what to do. BTW, its on iOS 3.1.3. THANKS IN ADVANCE!!!!
  2. dude245

    dude245 Member

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    did you turn off 3g?
  3. metalmilitia

    metalmilitia Member

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    No i didnt. I will try that, btw I never upgraded cydia when i opened it. Does it need mobile substrate to work? THanks!
  4. XxRedRumxX

    XxRedRumxX Well-Known Member

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    I believe that mobile substrate is required (correct me if im wrong)
  5. dude245

    dude245 Member

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    yes is required but is a dependency and will install anyways....can try re-install but make sure 3g is set to off
  6. oookkaaaaay

    oookkaaaaay Member

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    Reinstall it in cydia.
  7. Z3GGY

    Z3GGY New Member

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    :S mmmm

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