China’s iPhone Ban Accelerates Across Agencies, State Firms (1)

More Chinese agencies and government-backed firms across the country have ordered staff to stop bringing iPhones and other foreign devices to work, setting in motion an unprecedented prohibition that’s likely to block Apple Inc. and Samsung Electronics Co. from parts of the world’s biggest mobile market.

Multiple state firms and government departments across at least eight provinces — including the prosperous coast — instructed employees in the past month or two to start carrying local brands, according to people familiar with the matter. That’s a major step-up from around September, when a small number of agencies in Beijing and Tianjin ...