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  1.    #1  
    Got a used Cingular Treo 600 yesterday. Worked right away.

    Installed Palm Desktop, ran update. Phone still worked.

    Ran Cingular Update (v1.12) and now the phone won't recognize the SIM. SIM still works in other phones.

    Exact message that pops up:

    Window with title of SIM Card Not Allowed.
    Message in Window Your phone cannot be used with this SIM card.

    Called Cingular and they are worthless.

    Any advice?

  2. #2  
    I'm having the same problem with a 64K sim

    Current Devices: Palm Pre 2, HTC Thunderbolt, Motorola Atrix, Samsung Focus and Apple's iPhone 4
  3. #3  
    One time Cing had to change my SIM card for some reason. Either they made a chance or I did something anyway when the SIM was replaced SIM I was good to go.

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