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This is a discussion on sprint 650 with tmobile within the Treo Smartphones forums; I have a sprint treo 650 and it doesnt have a sim card what is need for me to do ...
  1. #1

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    Default sprint 650 with tmobile

    I have a sprint treo 650 and it doesnt have a sim card what is need for me to do in order for me to use it with tmobile which has a sim card? Is it possible? Thanks

  2. #2
    plunker's Avatar
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    Sprint and verizon use CDMA technology. The rest of the world uses gsm (sim cards) Your phone only works with sprint. gsm phones can be unlocked and with a new sim card you can go to another network.
    Plunker

    Just trying to learn and talk at the same time here.

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