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Mobile World Congress: Nokia introduces less expensive Android phones

Nokia announced three low-cost smartphones running the Google operating system Android at this year's Mobile World Congress, held in Barcelona.

Xperia Z2 and Xperia M2 specs; devices work to boost Sony's mobile lineup

Sony, which has cut more than 5,000 jobs and forecasted a $1.1 billion loss, is fighting the shrinking demand for personal computers and TVs as consumers switch to mobile devices instead.

Samsung Galaxy S5 unveiled at Mobile World Congress in Barcelona

Samsung pulled back the curtains from the much-anticipated Galaxy S5 smartphone during the Mobile World Congress in Barcelona.