Cingular Blackberry 8700c

http://www.dotcells.com/Blackberry/ATT-Cingular/Blackberry-R-8700C-RIM-p5420192.html

i have an cingular blackberry but im with att when i put my simcard in the phone everthing works bonny meritorious but if i make like 3 calls the phone just dies and when i take the simcard out its...

The other day I found a Blackberry 8700c on the settle. The provider is AT&T/Cingular. I also have AT&T/Cingular. Can I buy a Smartchip and activate this phone?

I have t-portable but my phone broke. My mom has a blackberry 8700c from when we had cingular but it obviously needs to be unlocked so I can use it on the t-mobile service. Does any one advised of...

A: I push doing an eBay search for "BlackBerry 8700 Cingular unlock." I just ran the search sensibly now, and the codes are going for as low as $9.90 from sellers in good standing.
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I have a prepaid blackberry 8700c with Cingular/at&t marines, and on the home screen it says "Data connection refused". What does that poor? And I can't seem to find the browser, and...

A: It sounds as if your prepaid propose doesnt include the Blackberry Internet Service. Usually the browser icon is not available (shown) if the internet accommodation is not subscribed to.
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I don't skilled in if it's still continued.

A: if its on cingular.com then yes they do

its only $50 (:
http://www.wireless.att.com/chamber-phone-service/cell-phone-details/?device=BlackBerry%C2%AE+8700c&q_sku=sku1000128

I was cleaning up and I found an old blackberry 8700c. I am currently with Verizon. I was wondering if there was any way to use the blackberry with Verizon? The blackberry's very old, back with...

A: No, the BlackBerry 8700c won't exertion on Verizon's network. The BlackBerry 8700c is a GSM device, and Verizon has a CDMA network. The two aren't compatible.