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  1.    #1  
    I have read most of the posts about unlocking, but I don't pretend to understand all of them. Some of you are much more knowledgable than the support people in our IT department responsible for support of the corporate Treo650 fleet.

    I just moved and started working from home. I do not get a good signal from Cingular and they have not been helpful in finding a solution. What I want to know is: Can I unlock my phone (had it for 9 months) and then get a plan from another company that will function with the Goodlink software that gives me access to my company Outlook data?

    I called Verizon, because my wife gets a good signal from them, but the person at the store told me their Treos have a chip which would make it impossible to switch my phone to Verizon service.

    All I want to do is get a stronger signal at home. The phone works fine everywhere else on Cingular. I bought a Wilson antennae, but it did not help and my phone goes off each time I plug it in or out.
  2. #2  
    Your particular Treo is a GSM phone. If unlocked, you'd be able to use it only with other GSM providers (in the US, I guess that's just T-Mobile). Verizon and Sprint are CDMA providers; you'd have to get a Verizon or Sprint model Treo to use either of their networks.
    V > Vx > m505 > m515 > T/T > T3 > TC > 650 > 680
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  3. Q
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    Bill's right. And of those two, Cingular has a bigger network by far.

    I'd suggest calling Cingular customer care. It's possible for them to send updated tower information to the Treo (they'll say to have it somewhere where it gets some signal). It should be getting this automatically; just in case, thought...

    FWIW, on your Treo, right behind the memory card slot is a smaller slot that holds the SIM card. On an unlocked GSM Treo, you can take out the SIM card and put in another one--primarily useful for people traveling overseas and looking to use local phone service there. On a locked Treo, you can only use a SIM card of the carrier it's locked to. On a Verizon or Sprint Treo, there is no SIM card because they use a different technology (CDMA).

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