1. Find "Battery"
Slide your finger downwards starting from the top of the screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-241ee500-ddc5-4a6d-ac5f-5b79579c55fc.png?width=206&height=368)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-dbb7a6d6-840d-4cb3-9460-a04b004072c5.png?width=206&height=368)
Press Device maintenance.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-7aca1091-bb9a-4274-a95b-fd1ae30b5416.png?width=206&height=368)
Press Battery.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-82581614-d6ff-43b1-98d9-d47f7a27452a.png?width=206&height=368)
2. Extend the battery life
Press the required setting.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-0f44ecd5-2517-4f49-8027-c60b3d9246fa.png?width=206&height=368)
Press APPLY to turn on the function.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-3a7c5071-5b2c-4640-bf75-e936aca94fcf.png?width=206&height=368)
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-c47e0ed3-38a9-4e87-8f46-fb9990fc53e8.png?width=206&height=368)