1 Find "Battery"
Slide two fingers downwards starting from the top of the screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-ba8fe847-7002-4336-9120-a2616927c3ca.png?width=204&height=454)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-c1d3dfac-a61d-4197-84ae-44d0ed1a1757.png?width=204&height=454)
Press Device care.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-34ac5843-9cd7-4d9b-b991-8c3274242cf9.png?width=204&height=454)
Press Battery.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-25bdca72-ef9b-4a38-b2b6-149709b6c758.png?width=204&height=454)
2 Extend the battery life
Press Power mode.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-c2d6eaa1-b9fd-4e9f-8671-faf847a68cf3.png?width=204&height=454)
Press the required setting to turn on the function.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-1665f4db-01e7-4a9d-8c5f-a84a43232526.png?width=204&height=454)
Press Apply.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-940fbc64-5508-4fd7-8dac-92fe492db5d2.png?width=204&height=454)
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-1665f4db-01e7-4a9d-8c5f-a84a43232526.png?width=204&height=454)