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  1.    #1  
    HELP! I purchased an unlocked GSM Treo 600 from a T-Mobile dealer. The phone had originally been programmed for the Orange France network and had Orange firmware installed. It was unlocked, however, and worked fine with my both my T-Mobile SIM card and a Cingular SIM card.

    Yesterday I wanted to upgrade my Treo's capabilities to use MVoice, and to do that, I needed to download the Treo Updater. I installed an updater for Orange UK (Treo600-1.12-OUK) that I found on a Google search. I don't know if the phone would have worked with this updater or not, because, a few minutes later, I found the Palm site with the T-Mobile updater and installed that over the earlier updater. When I went to turn on the phone then I got a message advising me that "Your phone cannot be used with this SIM card" and that I could make emergency calls only.

    I tried to find and delete the Orange firmware, but it doesn't appear on a list of software using either the INFO or DELETE options. As a last resort, I deleted the T-Mobile firmware (which for some reason DID show up on a list of s/w using the DELETE option) but this didn't cure the problem.

    Any help would be most appreciated. I am a new Treo owner and new to this board :confused:
  2. #2  
    HP Pre 3 (UK)
  3. #3  
    Quote Originally Posted by checkmate
    Don't think this will help as the question was about the 600, not the 650

    Checkout the 600 unlocking thread here:,25027.0.html

    Thought of the day :
    No sense being pessimistic, it probably wouldn't work anyway

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