How to use a new phone without new plan?

ROGER B

New member
I'm thinking of getting a Treo 680 or some PDA phone to handle scheduling and outlook.

But I don't want to sign up for a data plan with AT&T, since I just want to PDA features. So I'm wondering if the way around this is to buy a phone off of like Ebay? If I buy a phone off Ebay, how do I just swap my current Razr's SIM card into it, or do I have to get AT&T to activate it?

Also, what does "Unlocked" mean?

Thanks everyone
 
By data features not working without a plan, do you mean sending emails, or just using the phone's calendars?

Also, does GSM go to include blackberries and treos?

Thanks so much
 
The poster above was talking about external data requiring a connection to the Internet. Most PDA phones will work as a PDA without a SIM card. One can also get a PDA without phone functionality. To avoid using external data on a PDA phone, one must careful scrutinize the phone to insure that no automatic connections are enabled.
 
ok that last part of EF's post was confusing.

Basically, what I want to know is: Can I take my razr's sim card out and put it in a blackberry or treo, and use it as a regular phone. With the pda features, but no external data.
 
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