Mobile World Conference 2016

People wear Samsung Gear VR devices as they attend the launching ceremony of the new Samsung S7 and S7 edge smartphones during the Mobile World Congress in Barcelona, Spain, February 21, 2016.

Vodafone's Chief Executive Vittorio Colao delivers a keynote speech during the Mobile World Congress in Barcelona, Spain Feb. 22, 2016.

Mark Zuckerberg (L), founder of Facebook, is greeted by Samsung's Mobile Communications Business president, Dongjin Koh, during the unveiling ceremony of the Samsung S7 and S7 edge smartphones at the Mobile World Congress in Barcelona, Spain, Feb. 21, 201

Samsung's Mobile Communications Business president, Dongjin Koh, holds the S7 and S7 edge new smartphones during their unveiling ceremony at the Mobile World Congress in Barcelona, Spain, Feb. 21, 2016.

New Samsung S7 (R) and S7 edge smartphones are displayed after their unveiling ceremony at the Mobile World Congress in Barcelona, Spain, Feb. 21, 2016.

Ericsson's President & CEO Hans Vestberg shows a 5G chip as he delivers a keynote speech during the Mobile World Congress in Barcelona, Spain, Feb. 22, 2016.

People touch devices at the Ford stand during the Mobile World Congress in Barcelona, Spain, Feb. 22, 2016.