1. Find "Battery"
Slide two fingers downwards starting from the top of the screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-72f996c0-1c9e-4fe8-b385-c67e0a931f1b.png?width=206&height=450)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-8e0ce656-18f3-4f08-b280-4746732c96d8.png?width=206&height=450)
Press Device care.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-4eaf3c7f-a333-4469-88b1-4fc8104a8ef7.png?width=206&height=450)
Press Battery.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-11dd39d1-03fb-4612-96c4-1bd0c6951a00.png?width=206&height=450)
2. Extend the battery life
Press Power mode.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-714d0dbd-7087-4e96-a618-1686e500e357.png?width=206&height=450)
Press the required setting to turn on the function.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-6ef06279-06ec-4b54-afb4-655e20001675.png?width=206&height=450)
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-6ef06279-06ec-4b54-afb4-655e20001675.png?width=206&height=450)