1 Find "Battery"
Slide two fingers downwards starting from the top of the screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-468fd102-21df-4f18-a600-788162732527.png?width=198&height=406)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-700c8c87-d969-4b06-a0d1-a747825d2ac2.png?width=198&height=406)
Press Battery.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-a78f5a08-101b-4282-a5a1-7b18ef573907.png?width=198&height=406)
2 Extend the battery life
Press Battery Saver.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-6033e539-788b-44a2-aded-97c71eea7527.png?width=198&height=406)
Press Turn on now to turn on the function.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-3dba1493-4493-4c46-9c44-0bebd7f8cda3.png?width=198&height=406)
3 Return to the home screen
Press the Home key to return to the home screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-3fa57e28-3bf5-4690-831c-3925a666d7a0.png?width=198&height=406)