Carriers this week began direct sales of BlackBerry's new keyboard-equipped Q10 smartphone, with T-Mobile US offering the handset Wednesday. AT&T started accepting preorders at $199, one week after Verizon Wireless did the same. There was no word on a release date at those carriers or of Sprint Nextel's plans. Also at BlackBerry, the company introduced a telematics service, Software Update Management for Automotive, in which automakers can update their in-car wireless systems through over-the-air technology.

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