1. Find "Battery"
Slide two fingers downwards starting from the top of the screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-02ec09b6-9af6-40aa-b41f-286113d18907.png?width=204&height=442)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-aa68be3d-ba3a-4f62-84b3-3165c43b846d.png?width=204&height=442)
Press Device care.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-6ca1a55e-ba11-41f1-816e-67ee127f7a7b.png?width=204&height=442)
Press Battery.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-25bcb2a0-3370-406f-8f30-28d2036a74e3.png?width=204&height=442)
2. Extend the battery life
Press Power mode.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-be9818e0-8182-427f-bc90-a6d96e7f8a2a.png?width=204&height=442)
Press the required setting.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-b8130b77-37d1-4842-b40b-bd2427741607.png?width=204&height=442)
Press Apply to turn on the function.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-cab9bda5-fef8-4d79-b9a9-ed3cbb889be1.png?width=204&height=442)
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-b8130b77-37d1-4842-b40b-bd2427741607.png?width=204&height=442)