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AT&T, T-Mobile Vaunted 3G Upgrades Meaningless to BlackBerry Users

Wireless carriers AT&T and T-Mobile both announced major upgrades to their 3G cellular networks for max data transfer speeds of 7.2Mbps. That's all fine and good for AT&T and T-Mobile customers who live in certain cities and own compatible devices...but the bad news is all BlackBerry users are currently out of luck.