iPhone randomly won't detect sim card. (Unlocked)

Discussion in 'iPhone' started by xDeathReaperx, Feb 26, 2011.

  1. xDeathReaperx macrumors regular

    Joined:
    May 3, 2009
    #1
    My iPhone is having a hard time detecting an unactivated AT&T sim that I used just to get pass the home screen. It worked twice in the past hour then it just randomly says "NO SIM CARD". I unlocked the iPhone 3g 4.2.1 now w/ iPad baseband and it will NOT detect my T-Mobile Sim Card..

    HELP!?
     
  2. PsstGreek macrumors 68040

    PsstGreek

    Joined:
    Oct 21, 2010
    Location:
    Tampa Bay
    #2
    Make sure you have 3G off. Also that ultrasn0w is installed through Cydia.
     
  3. xDeathReaperx thread starter macrumors regular

    Joined:
    May 3, 2009
    #3
    I turned it off, and it still won't detect neither sim card.

    Also; should it give me an option to choose my network? Because it doesn't...

    HELP!!!!!!!!!!!!!
     
  4. xDeathReaperx thread starter macrumors regular

    Joined:
    May 3, 2009

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