1. Find "Battery"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-6fe2cf48-310a-4ec5-8d0d-74b26cc3838e.png?width=208&height=444)
Press Battery.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-2e6f2f4b-253f-4926-935a-3e95d1a47188.png?width=208&height=444)
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-097f2a68-e9a9-4041-8300-2d94d9e0e75e.png?width=208&height=444)
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-87a38ccf-d7bc-40e6-9d32-369b832cb072.png?width=208&height=444)