1. Find "Battery"
Slide two fingers downwards starting from the top of the screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-2a8e5789-c19d-46c2-acfa-5f71996d1b15.png?width=204&height=452)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-ab54c96e-8038-49b0-af51-d957aea0fa89.png?width=204&height=452)
Press Device care.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-98916d78-afd8-4f4e-b8ac-297520949628.png?width=204&height=452)
Press Battery.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-6cf70bf3-b9bd-41b4-9d3a-3f4d68a5ae71.png?width=204&height=452)
2. Extend the battery life
Press Power mode.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-93601894-4b9c-4292-92ca-2473f67f66f0.png?width=204&height=452)
Press the required setting to turn on the function.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-c765299b-e892-4cf5-b7bf-833fe23c425f.png?width=204&height=452)
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-c765299b-e892-4cf5-b7bf-833fe23c425f.png?width=204&height=452)