1. Find "Battery"
Slide two fingers downwards starting from the top of the screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-b10866d9-6141-407e-af3f-f998fbb2edd9.png?width=208&height=454)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-bd75b12b-ad81-401c-b8bf-6755d6da1ec4.png?width=208&height=454)
Press Device care.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-7f5f6459-96e6-4c70-adf5-0a02ec61b620.png?width=208&height=454)
Press Battery.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-8567f078-0b46-467c-bb47-b561060245c1.png?width=208&height=454)
2. Extend the battery life
Press Power mode.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-105d6e36-f2c0-4f21-8fc8-922769d97f96.png?width=208&height=454)
Press the required setting to turn on the function.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-0729c00e-07e9-42df-aac2-292719b7adc6.png?width=208&height=454)
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-0729c00e-07e9-42df-aac2-292719b7adc6.png?width=208&height=454)