Huawei Technologies Co launched its second-generation tri-fold smartphone, the Mate XT 2, at an event in Guangzhou on Monday. Huawei Technologies Co launched its second-generation tri-fold smartphone, the Mate XT 2, at an event in Guangzhou on Monday. The phone features the company's latest Kirin 9050 Pro chipset — the industry's first high-performance chip to adopt the com... [544 chars]