The weather positioning error of Xiaomi mobile phone miui V4.

Hello, software positioning on mobile phones usually calls GPS or mobile base station positioning, or both are used to ensure accuracy. However, satellites, transmitting signals and receiving equipment will all have errors (so when you open the map, you will sometimes be prompted with "error XXX meters"). If your location is close to Tongzhou District, it is normal to locate in Tongzhou District. You can enter it manually without locating it.