Kunimasa Suzuki, executive vice president, Sony Corporation and president and chief executive officer of Sony Mobile Communications, unveils the new Sony EXPERIA Z1s during the Sony news conference at the International Consumer Electronics Show Monday, Jan. 6, 2014, in Las Vegas. The phone will be sold exclusivley by T-Mobile. (AP Photo/Jack Dempsey)

Kunimasa Suzuki, executive vice president, Sony Corporation and president and chief executive officer of Sony Mobile Communications, unveils the new Sony EXPERIA Z1s during the Sony news conference at the International Consumer Electronics Show Monday, Jan. 6, 2014, in Las Vegas. The phone will be sold exclusivley by T-Mobile. (AP Photo/Jack Dempsey)