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  1.    #1  
    Can someone help?

    A client gave me a barely used unbranded T600 that was on the T-mobile network. I popped in my Sims card for AT&T and although the T-mobile emblem popped up, it searched for service and picked up AT&T. I tried to upgrade the firmware to AT&T and the screen said incompatible. Any ideas/suggestions?

    This is the product info:

    Firmware .02.09

    Software Treo600-1.06-INT
  2. #2  
    You can either use the other carriers update. It's labeled ROW.

    If you want the AT&T firmware you need to use tokenwriter.
    You would type "write crnm AWS" in tokenwriter.

    Check for tokenwriter.
    You may also want to check the FAQ located there as well.
    GSM Treo 600 with Cingular
    New Avatar caused by:This Post
  3.    #3  

    Thank you very much for your help.

    Best regards,

  4. #4  
    I had this same problem. I have an unbranded Treo 600 and was not able to use the AT&T update. Last week, while I was a T-Mobile customer, I was able to use the T-Mobile update as well as the ROW update, so not sure why AT&T didn't work. Every time I did it, I would downgrade to 2.09 and then upgrade. I'm on ROW version and it works fine. I just thought perhaps the AT&T version would be better, though I doubt it.
    Cingular Blue
    Treo 650 (now unlocked)
    Firmware: 1.05
    Current Software: Treo650-1.04-CNB

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