China’s three national operators continue to endure turbulent times amid economic slowdown and new competition from MVNOs and over-the-top providers. Market leader China Mobile used its 2015 earnings announcement to highlight the OTT challenge and complain about unpredictable regulatory policies. Although it has expanded LTE aggressively, making good use of its headstart over its two rivals, China Unicom and China Telecom, this has eaten into its profits, as have recent regulator-enforced price drops, which have led to a 43% fall in data tariffs. As a result, the company announced a slight reduction in service revenues and profits for fiscal 2015. The former was down 1.3% year-on-year to CNY584.1bn ($90.1bn) while profit was down 0.6% to CNY108.5bn ($16.7bn). Overall revenues were…