Shevek, a prospective customer, scrolls through the menu of a new Blackberry Z10 at a branch of UK retailer Phones 4U in central London

 
Shevek, a prospective customer, scrolls through the menu of a new Blackberry Z10 at a branch of UK retailer Phones 4U in central London
Shevek, a prospective customer, scrolls through the menu of a new Blackberry Z10 at a branch of UK retailer Phones 4U in central London, January 31, 2013. Blackberry's new Z10 model went on sale in the UK today. The afterglow of Research In Motion Ltd 's BlackBerry 10 unveiling faded on Thursday as a flurry of lukewarm reviews signaled the company's struggle to regain momentum in the hyper-competitive smartphone market was just beginning. REUTERS/Andrew Winning
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