1. screen closing and application settings: set the method, and then select settings > power saving management > protected background application, without checking the application marked as "high power consumption task" or selecting other unnecessary background tasks. After setting, the screen will automatically stop this power-consuming application.

2. Adjust the screen brightness: Setting method: Select Settings-Display-Brightness in turn, and adjust the brightness to reduce the value of the progress bar.

3. Restrain application traffic consumption: Set the method, enter the mobile phone housekeeper-traffic management-application networking, and turn off the mobile data and WLAN next to "All" to make it in a gray state.