Samsung CEO J.K. Shin presents the new Samsung Galaxy S5 at the Mobile World Congress, the world's largest mobile phone trade show in Barcelona, Spain, Monday, Feb. 24, 2014.

AP Photo/Manu Fernandez

Samsung CEO J.K. Shin presents the new Samsung Galaxy S5 at the Mobile World Congress, the world's largest mobile phone trade show in Barcelona, Spain, Monday, Feb. 24, 2014.