During the quarter, Huawei secured the top spot, followed by Xiaomi. Huawei’s sales grew 15.5% YoY, supported by the release of the Mate 70 series in early December.Xiaomi maintained strong momentum in the high-end and flagship segments. In Q4, its market share rose to 17.2%For the full year, China’s smartphone sales increased by 1.5% YoY. vivo retained the top spot with a market share of 17.8%.Beijing, Boston, Buenos Aires, Hong Kong, London, New Delhi, San Diego, Seoul, Taipei, Tokyo – January...