Employee look out while standing next to an Apple Inc. logo displayed at the company's store during the sales launch of the iPhone 6s and iPhone 6s Plus at the IAPM shopping mall in Shanghai, China, on Friday, Sept. 25, 2015. The latest models, following last year's hugely popular design overhaul that added bigger screens, may not match the success of previous releases, according to analysts. Photographer: Qilai Shen/Bloomberg via Getty Images
An employee assists a customer holding an Apple Inc. iPhone inside an A1 store, operated by Telekom Austria AG, in Vienna, Austria, on Friday, Feb. 5, 2016. Telekom Austria expects more consolidation in the European telecom market, WirtschaftsBlatt reported, citing an interview with Chief Executive Officer Alejandro Plater. Photographer: Lisi Niesner/Bloomberg via Getty Images
An employee assists a customer as another employee uses an Apple inc. iPhone 6 Plus smartphone at a SK Telecom Co. T World Cafe store in Seoul, South Korea, on Monday, Jan. 25, 2016. SK Telecom is scheduled to announce fourth-quarter earnings on Feb. 02. Photographer: SeongJoon Cho/Bloomberg via Getty Images
An employee wearing a branded polo shirt assists a customer inside a Vodafone Group Plc retail store in London, U.K., on Friday, July 22, 2016. Vodafone reported first-quarter service revenue that beat analysts estimates amid gradual improvements in its European mobile-phone businesses and growth in developing markets. Photographer: Chris Ratcliffe/Bloomberg via Getty Images
An employee assists customers inspecting Apple Inc. smartphones inside an M.Video PJSC electronics store inside the Mega Khimki shopping mall in Khimki, Russia, on Sunday, April 23, 2017. M.Video operates a chain of consumer electronics and home appliances retail stores and is Russia's biggest electronics retailer. Photographer: Andrey Rudakov/Bloomberg via Getty Images
