A foldable dual-screened ZTE Axon M smartphone stands on display on the ZTE Corp. stand during the opening day of the Mobile World Congress (MWC) in Barcelona, Spain, on Monday, Feb. 26, 2018. At the wireless industry's biggest conference, more than 100,000 people are set to see the latest smartphones, artificial intelligence devices and autonomous drones exhibited by roughly 2,300 companies. Photographer: Angel Garcia/Bloomberg via Getty Images
