1. Find "Battery"
Slide your finger downwards starting from the top of the screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-e0586a8c-55e3-406f-89d6-133c37164014.png?width=202&height=362)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-34dfd033-4867-4e2c-b85c-6c3fd978547f.png?width=202&height=362)
Press Device maintenance.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-b5f4078f-802a-4bf1-beb4-5a8ae5e64c6b.png?width=202&height=362)
Press Battery.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-f343a523-1a2f-402d-b680-989c131ca0ef.png?width=202&height=362)
2. Extend the battery life
Press the required setting.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-30d6d3b9-52a4-48fd-b2b9-7b8a6054c165.png?width=202&height=362)
Press APPLY to turn on the function.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-51df4152-27b0-4a93-a261-339ae7923de9.png?width=202&height=362)
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-500db3d0-68de-4205-8a17-c1e1cf13dc89.png?width=202&height=362)