Xiaomi Releases Xiaomi 15 Series Beijing, 3 Mar (ONA) --- Xiaomi announced the release of its latest flagship smartphone lineup, Xiaomi 15 Series - Xiaomi 15 and Xiaomi 15 Ultra. Powered by the latest Xiaomi HyperOS 2, Xiaomi 15 Series introduces a comprehensive upgraded system experience, optimizing performance, connectivity, and AI capabilities for a seamless next-generation mobile experience. Xiaomi 15 Ultra combines supreme build quality with a sense of ...