1. Find "Battery"
Slide your finger downwards starting from the top of the screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-d0e3b1c0-01b8-444a-ace7-f98aae9b8879.png?width=212&height=434)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-5d67e67e-47c8-486d-8b87-2ec7d16b7324.png?width=212&height=434)
Press Device maintenance.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-bd3b6dfe-e94b-4e86-a80b-0577bcc3f10e.png?width=212&height=434)
Press Battery.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-c12f760f-4f8b-4077-84d5-365e01457d15.png?width=212&height=434)
2. Extend the battery life
Press the required setting.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-e68cc6f2-d70d-44b1-b9c0-f814a93c55e6.png?width=212&height=434)
Press APPLY to turn on the function.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-a207a8fe-5a4e-4873-b112-87351ed0deb8.png?width=212&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-97f13726-667f-4795-bebc-98bda9a87bba.png?width=212&height=434)