Can you transfer a verizon plan from a normal cell phone to a palm treo or Q w/o additional costs?

Marshall H asked:

Say I have a normal cell phone plan, and I can get a Palm Treo or Motorola Q from a friend or ebay or something, if I go to transfer my number to that smartphone are there extra costs.. or can I do it no matter what even if some applications or uses are rendered useless? Thank you!

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What exactly is an “unlocked” phone?

JJ asked:

I bought an “unlocked” phone off of eBay and I really don’t get what I am supposed to do. Is there a special SIM card that I need to buy for the carrier that I want to go with? Its a GSM phone and it can be compatible with these carriers: Fido, Rogers Wireless, AT&T, Cingular, SunCom, T-Mobile…..What do I need to do to use this phone and what carrier should I go with? Any help would be appreciated.
Thanks Art…Ok so I got that much but what about sim cards and which carrier do you recommend?

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