A staff member presents an HTC ONE smartphone during the Mobile World Congress in Barcelona, Spain, on Feb. 26, 2014. HTC ONE was awarded as "Smartphone of the Year" on Tuesday during the Mobile World Congress in Barcelona. (Xinhua/Xie Haining)

A staff member presents an HTC ONE smartphone during the Mobile World Congress in Barcelona, Spain, on Feb. 26, 2014. HTC ONE was awarded as "Smartphone of the Year" on Tuesday during the Mobile World Congress in Barcelona. (Xinhua/Xie Haining)

A staff member presents an HTC ONE smartphone during the Mobile World Congress in Barcelona, Spain, on Feb. 26, 2014. HTC ONE was awarded as "Smartphone of the Year" on Tuesday during the Mobile World Congress in Barcelona. (Xinhua/Xie Haining)

A staff member presents an HTC ONE smartphone during the Mobile World Congress in Barcelona, Spain, on Feb. 26, 2014. HTC ONE was awarded as "Smartphone of the Year" on Tuesday during the Mobile World Congress in Barcelona. (Xinhua/Xie Haining)