1. Extend the battery life
Slide two fingers downwards starting from the top of the screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-80d3084c-dcfb-4cbd-8407-d84e16fb6a6e.png?width=204&height=430)
Press Battery Saver to turn on the function.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-4db2b8ce-df66-4c50-8715-ec0fb3f9df74.png?width=204&height=430)
2. Return to the home screen
Press the Home key to return to the home screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-4db2b8ce-df66-4c50-8715-ec0fb3f9df74.png?width=204&height=430)