
01-19-2010, 10:17 AM
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| | CrackBerry Geek Device(s): Nokia Lumia 900, retired devices 9000 and 9700 Carrier: AT&T | | Location: Cleveland, OH Join Date: Jun 2009 Posts: 10,027 Likes Received: 344
Thanked 483 Times in 436 Posts
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All AT&T devices are GSM. VZW is a CDMA carrier. The SIM cards in VZW devices such as the Storm and Tour are for use on a GSM network, not VZW's network. In the USA, a VZW device will work on VZW's network even if the SIM card is removed.
The Storm or Tour from VZW could be used on AT&T's network; however, no AT&T device will work on VZW or Sprint.
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--Laura
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