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-e8af851e-5a01-4385-a0c5-586f4c52517d.png?width=202&height=448)
Press Battery saver to turn on the function.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-fe4b3284-d478-4b9d-ac21-e8d38ef0f140.png?width=202&height=448)
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-1e7d05d2-53b3-44a1-aca0-971f0c691d27.png?width=202&height=448)