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Cheerio everyone. I was posting an add for unlocked Pearl/Bold BB's to my blog, and ... Stackers' Lounge forum

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    ma077146's Avatar
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    US Cellular Frequencies Reference

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    Cheerio everyone. I was posting an add for unlocked Pearl/Bold BB's to my blog, and I realized I didn't know how you could know whether a particular unlocked device would work on a different carrier or not.

    I found this reference for US cellular carriers:
    http://www.gsmworld.com/roaming/gsminfo/cou_us.shtml

    And this one for Canadian cellular carriers:
    http://www.gsmworld.com/roaming/gsminfo/cou_ca.shtml

    Perhaps this will be of help to someone. Sorry if this in the wrong forum.

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    tavella81's Avatar
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    I see they list Alltel as a GSM provider? Maybe I'm missing something?

    Anyways, all Blackberry phones have a four digit model number. Any Blackberry that ends in 00, 10, or 20 will work on any GSM provider. The bold will not work with T-Mobile's 3G because a difference in the radio frequencies. Any Blackberry that ends in 30 will work on CDMA networks. Alltel was the only providers (of the major ones in my area) that did not maintain an ESN database so you could activate an off network phone on theirs. Sprint and Verizon will not do this for you. I do know Cricket might and you can possibly get MetroPCS to do it as well. Don't expect a BES or BIS availability from them.

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