1 Find "Battery"
Slide your finger downwards starting from the top of the screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-82001f12-5ac0-4ab7-b54e-34f497279b52.png?width=214&height=454)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-9f25ab5d-c924-433b-8496-01a61ec3eede.png?width=214&height=454)
Press Device care.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-e8339d24-3fe2-4f16-98b3-a25846b449c7.png?width=214&height=454)
Press Battery.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-e0e78286-e20a-41f2-9234-eedd4dab1431.png?width=214&height=454)
2 Extend the battery life
Press Power mode.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-c2a09ea9-04b7-4922-90f3-7861d29a58a0.png?width=214&height=454)
Press the required setting to turn on the function.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-229e194a-71ee-49d8-8e7f-0ba01b3037de.png?width=214&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-229e194a-71ee-49d8-8e7f-0ba01b3037de.png?width=214&height=454)