1 Find "Battery"
Slide two fingers downwards starting from the top of the screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-a0f60644-259e-4ec9-b831-c6e9840ff83c.png?width=208&height=442)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-a2401774-ee35-425c-9a4a-14175ad8dfb2.png?width=208&height=442)
Press Device care.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-15d15dad-debb-4ce4-838b-27a0842ade3a.png?width=208&height=442)
Press Battery.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-985222c7-a901-4653-8ca9-746307d6c56d.png?width=208&height=442)
2 Extend the battery life
Press Power mode.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-aef0f024-389c-4a47-993b-5a6a97776118.png?width=208&height=442)
Press the required setting.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-95ec380b-a356-4fb7-ba71-ca46c89654f5.png?width=208&height=442)
Press Apply to turn on the function.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-46dbea26-16f8-487d-abec-2805b0582fe7.png?width=208&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-95ec380b-a356-4fb7-ba71-ca46c89654f5.png?width=208&height=442)