unlocking iphone 3g

Discussion in 'Jailbreaks and iOS Hacks' started by Killaz045, Aug 22, 2011.

  1. Killaz045 macrumors newbie

    Feb 12, 2011
    I have a iPhone 3g that i want to unlock so i can use my tmobile sim card. i already jailbroken it. what am suppose to do next
  2. nebo1ss macrumors 68030

    Jun 2, 2010
    If you have baseband 5.13 or lower then you just install ultrasn0w from Cydia.

    If the baseband is higher then you need to use Redsn0w to install the IPAD baseband 6.15 and then install ultrasn0w from Cydia.
  3. JimBrown1 macrumors newbie


    Aug 11, 2011
    Thanks lot man! It worked. But the phone rare cases connect to network but rest of the time it displays NO service. The connection with the network is very weak and goes off few seconds. Need help and effective suggestions.

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