1. Find "Battery"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-985dac77-368a-492b-9682-7a60edcd8e6b.png?width=208&height=450)
Press Battery.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-68734128-d7ee-43a9-8f68-5d4a07e9e4ef.png?width=208&height=450)
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-27823cce-f0a5-4b35-b945-8b7a584437ee.png?width=208&height=450)
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-578eb8f3-566a-4c67-903d-e922e83679e8.png?width=208&height=450)