Redmi is committed to making the best thousand-yuan mobile phone with the best experience. Redmi entered the mass production stage in July 2013 and went on sale on August 12. This phone focuses on the low-end mobile phone market, exclusively for TD-SCDMA, and is mainly sold through China Mobile's channels. Chinese name: Xiaomi Redmi mobile phone Foreign name: Xiaomi Hongmi Mobile Production company: Beijing Xiaomi Technology Co., Ltd. Operating system: MIUI V5 system According to the information officially announced by Xiaomi, the Redmi mobile phone is equipped with a 4.7-inch IPS retina screen (1280x720 resolution, 312PPI, Corning's second-generation Gorilla Glass), equipped with a quad-core 1.5G MediaTek MT6589T Turbo processor (GPU is PowerVR SGX 544), equipped with 1GB RAM + 4GB ROM, and supports a maximum 32G TF card. The expansion body size is 137*69 *9.9m. Redmi phones also provide a rear 8 million pixels (Samsung/OV sensor, back-illuminated, F2.2 large aperture, support for 1080p recording), and a front 1.3 million-pixel camera (back-illuminated, support for 720p recording). The battery capacity is 2000mAh, supports TD-SCDMA+GSM dual card dual standby, and runs MIUI V5 (Android 4.1.2 system). Redmi will provide users with three colors of metallic gray, ivory white and Chinese red for users to choose from. Basic parameters of mobile phone parameters CPU model: MediaTek MT6589T CPU core number: quad-core CPU frequency: 1.5GHz GPU model: PowerVR SGX544 Operating system: MIUI V5 (test version is Android 4.2.2) main screen resolution: 1280X720 main screen size: 4.7 inches product Features GPS navigation: Built-in GPS, support GLONASS Sensor type: gravity sensor, light sensor, distance sensor, gyroscope. TD dual card dual standby  camera function camera: built-in camera type: dual camera (front and rear) front camera pixels: 1.3 million pixels rear camera pixels: 8 million pixels .cn) Organize and publish, no reprint without authorization!