iOS 3.1 HELP Sim card cannot read

Discussion in 'iOS Jailbreak & Cydia' started by MurdahMe, Feb 21, 2010.

  1. MurdahMe

    MurdahMe New Member

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    guys my iPhone 3G was accidentally updated to 3.1.3 and i managed to downgrade it to 3.1.2 and JB it.. but the problem is the Sim card cannot be read by the Phone.. what's the problem?

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  2. J-Phone

    J-Phone Active Member

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    is the sum att or an other? if its att then it should work, if its another make sure you got blacksn0w
  3. MurdahMe

    MurdahMe New Member

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    its not ATT its a Sim here in my country, Philippines... should i put blacksnow?
  4. J-Phone

    J-Phone Active Member

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    you need blacksn0w to use any sim that isnt att. so yea get blacksn0w from blackra1n app or from cydia in the blackra1n repo
  5. MurdahMe

    MurdahMe New Member

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