Sony Ericsson will begin selling its first phone using Windows Mobile software this year, Microsoft is due to announce on Sunday, just ahead of the Mobile World Congress in Barcelona.
Until now, Sony Ericsson has primarily used the Symbian operating system to power its smart phones. Its Windows Mobile phone will have a touch screen with a slide-out keyboard and a camera, said Brian Arbogast, vice president of mobile services at Microsoft.
While Apple's iPhone has spurred wider interest in touch-screen phones, Sony Ericsson has been selling touch-screen phones for years. It uses the UIQ user interface on its Symbian phones. UIQ competes with Series 60, the user interface Nokia developed to run on its Symbian phones.
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