1. Find "Battery"
Slide your finger downwards starting from the top of the screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-158983d6-5500-4c1e-b728-644c442b86a0.png?width=202&height=414)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-8e374bfc-3204-4bae-826e-46616f99962f.png?width=202&height=414)
Press Device maintenance.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-fff434f9-eee1-4021-96eb-ca06a953a370.png?width=202&height=414)
Press Battery.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-54976183-b931-4d70-a25d-bce9cd1add30.png?width=202&height=414)
2. Extend the battery life
Press the required setting.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-bc5b3fa9-7d7c-46ca-9024-b355f96871a5.png?width=202&height=414)
Press APPLY to turn on the function.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-e1ca6c04-bbc7-4d48-8639-79b75f510252.png?width=202&height=414)
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-ba271c79-b464-402e-bd90-af0a2efaf308.png?width=202&height=414)