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can verizon phone work with T-mobile?

by djdude / August 5, 2005 12:24 AM PDT

My friend has a Treo 650 and he said he is selling it for $200. But he has Verizon and the phone is verizon and I have T-mobile, I wanted to know if i could unlock it and make it work with T-mobile and how much do carriers charge to unlock the phones for you or just a estimate what it will cost..

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by chishmishdeez / August 5, 2005 2:59 AM PDT

no it wont
coz verizon uses CDMA and Tmobile GSM
so they are not compatible

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No, totally different technologies
by SuperNinja / August 6, 2005 1:09 AM PDT

Since Verizon is on a CDMA network there is no slot for the phone to have a SIM card in it which is what T-mobile and Cingular uses. Now if you're friend had Cingular then it could work because all you'd have to do is unlock the SIM. But the bottom line is Verizon = CDMA and T-Mobile = GSM different technologies

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by birdmantd Forum moderator / August 7, 2005 9:47 AM PDT

Actually, you could use it as a standalone PDA without wireless service, but I don't think that's what you had in mind.

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by Matthew1960 / August 9, 2005 4:40 AM PDT

I bought an unlocked treo 650 from T-mobile. I pulled the chip out of my older GSM phone and plugged it into the 650 and Viola! No problem. I would call T-mobile about the unlocking part. $200 is a fabulous deal for a 650. Are you sure it's not a 600?

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Nope its a treo 650
by djdude / August 9, 2005 10:49 AM PDT
In reply to: T-mobile

yeah my friend showed me and it has a removable battery so it is the 650 and it is in great condition but it is verizon and what the other guys were saying at the top was that verizon is CDMA and T-mobile was GSM.

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verizon 4g lte phones work on tmobile!!!
by gmone291 / May 22, 2013 11:16 PM PDT

I have a Verizon 4g LTE on tmobile and works fine but the internet is slow like 2g slow but everything else works fine I took the tmobile card out and stayed with Verizon.

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Don't forget....
by birdmantd Forum moderator / May 23, 2013 2:53 AM PDT

...that the OP posted his question in 2005 and this was long before Verizon used LTE. I think the OP is no longer looking for an answer to the original question. Thread closed.

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