A member of Huawei staff shows the new Huawei Mate X device during a pre-briefing display ahead of the Mobile World Congress in Barcelona, Spain, February 23, 2019. Picture taken February 23, 2019.

Richard Yu, CEO of the Huawei Consumer Business Group presents the new Mate X smartphone, ahead of the Mobile World Congress (MWC 19) in Barcelona, Spain, February 24, 2019.

Microsoft's Alex Kipman, the man responsible for the HoloLens augmented reality device, presents the HoloLens 2 ahead of the Mobile World Congress in Barcelona, Spain February 24, 2019.

A person checks out the new Xiaomi Mi 9 mobile phone ahead of the Mobile World Congress (MWC 19) in Barcelona, Spain, February 24, 2019.

The new LG G8 mobile is displayed before the Mobile World Congress in Barcelona, Spain, February 23, 2019. Picture taken February 23, 2019.

Sprint CEO Michel Combes speaks during a device-launching event ahead of the Mobile World Congress in Barcelona, Spain February 24, 2019.

HMD Global Product Officer Juho Sarvikas, presents the new Nokia 3.2 and Nokia 4.2 during the Mobile World Congress in Barcelona, Spain February 24, 2019.

The new Huawei Mate X device is seen during a pre-briefing display ahead of the Mobile World Congress in Barcelona, Spain, February 23, 2019. Picture taken February 23, 2019.

Microsoft CEO Satya Nadella speaks during a device-launching event ahead of the Mobile World Congress in Barcelona, Spain February 24, 2019.

HMD Global CEO, Florian Seiche, talks during the presentation of new Nokia mobile phones during the Mobile World Congress in Barcelona, Spain February 24, 2019. REUTERS/Rafael Marchante

LG Electronics USA Director of Mobile Communications Frank Lee presents the new LG V50 device ahead of the 2019 Mobile World Congress in Barcelona, Spain February 24, 2019. REUTERS/Albert Gea - RC1FE277CDB0