1 Find "Battery"
Slide two fingers downwards starting from the top of the screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-13aa9a5f-a943-4dd2-bbc7-adf99288ee19.png?width=216&height=456)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-a4002c45-bfb2-4cde-b051-0cf303f233af.png?width=216&height=456)
Press Device care.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-fd92f46b-eea0-4f25-a81f-043b90428a7c.png?width=216&height=456)
Press Battery.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-cc8c9fee-f872-411d-b020-ff554b80ef92.png?width=216&height=456)
2 Extend the battery life
Press Power mode.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-a39ab86e-6cfa-448a-acae-47f70ac72879.png?width=216&height=456)
Press the required setting.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-7fd74f18-d778-4ee3-beae-16bff3d8b628.png?width=216&height=456)
Press Apply to turn on the function.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-a9191a96-1d47-455e-8d70-c6d76c474cb0.png?width=216&height=456)
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-a8f9363b-65c2-4050-95e8-e16cdb92a026.png?width=216&height=456)