How to restore the factory settings of Xiaomi 4

Method 1: When the machine is turned off, the word MI+the power-on key appears when adding the volume. Release the power button and continue to press the volume button to enter the RE interface. Publish, select Chinese, clear data, clear cache, clear user data, clear all data. Shutdown method 2: system update-menu key (key on the left of the small house)-restart to R- select Chinese, clear data, clear cache, clear user data, and clear all.