
Xiaomi is a Chinese multinational technology company and the world's third-largest smartphone seller as of 2025, producing devices that run on Android with its HyperOS (formerly MIUI) software interface. The brand is structured into distinct lines: the Xiaomi series serves as the premium flagship tier competing with iPhone and high-end Android rivals, featuring top-tier chipsets like the Snapdragon 8 Elite and co-engineered Leica cameras; the Redmi series targets the mid-range and entry-level markets with high cost-performance; and the POCO brand focuses on performance-oriented value devices. Key characteristics of Xiaomi smartphones include: Flagship Models: Current leaders like the Xiaomi 17 Ultra and Xiaomi 15 Ultra offer premium builds (ceramic/titanium), 2K LTPO displays, and advanced imaging systems. Regional Variants: Hardware and firmware (HyperOS) vary by region, with Global units offering full Google Mobile Services and specific 5G bands, while Chinese domestic models may lack GMS and differ in charging protocols. Historical Context: The Mi sub-brand was retired in 2021, with all new flagships rebranded simply as Xiaomi, while legacy models remain referenced in older listings. Manufacturing: Devices are assembled in China, India, and Vietnam, with final configuration and quality control occurring at regional distribution hubs.