Nokia, Microsoft Take Wraps Off Windows Phone for AT&T

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Nokia Oyj and Microsoft Corp. introduced their first high-speed Windows Phone for AT&T Inc. at the Consumer Electronics Show, aiming to help both suppliers stage a comeback in the smartphone industry.

The model, the Lumia 900, will be available in coming months exclusively from AT&T, the second-largest U.S. wireless carrier, the companies said at an event in Las Vegas yesterday. The handset will be one of the first Windows-based phones to use the next-generation technology known as long-term evolution, or LTE. Nokia didn’t give the sales date or price details.