1. Find "Battery"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-1214b363-00bc-4236-ae78-5e4e269c5be2.png?width=206&height=434)
Press Battery.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-7a1175db-e2af-4bc4-81bc-c0cfad68e1d0.png?width=206&height=434)
2. Extend the battery life
Press the indicator next to the required setting to turn on the function.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-a770bfbd-b14f-413d-b25b-907ad2f7212e.png?width=206&height=434)
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-07103021-faa4-4557-8da1-7e58ce571cba.png?width=206&height=434)