1. Find "Battery"
Slide two fingers downwards starting from the top of the screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-0b11ccb8-d393-4faf-8bf0-0cc68b8038f5.png?width=208&height=450)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-2a5e5145-9995-4701-ad23-66c3dd1eb1c5.png?width=208&height=450)
Press Device care.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-a236b904-1a2a-4263-84b1-40227e302b1f.png?width=208&height=450)
Press Battery.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-062f5bdd-a2c1-4e90-ae26-99dc72bb791b.png?width=208&height=450)
2. Extend the battery life
Press Power mode.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-38740344-7230-4bc5-9676-a99c7ddbfcbe.png?width=208&height=450)
Press the required setting to turn on the function.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-55182afb-feb0-4b45-bc2c-ed2afe67d7d7.png?width=208&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-55182afb-feb0-4b45-bc2c-ed2afe67d7d7.png?width=208&height=450)