1. Find "Battery"
Slide two fingers downwards starting from the top of the screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-1734b561-14aa-401e-8718-e2e7fd816fed.png?width=204&height=452)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-2afd2614-7863-48d4-8c66-f0f992530803.png?width=204&height=452)
Press Device care.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-23fd57cd-cadf-4744-81ba-5000dbcce889.png?width=204&height=452)
Press Battery.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-86148fb7-cfa6-42ab-87cd-f3f28cbee5bd.png?width=204&height=452)
2. Extend the battery life
Press Power mode.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-36559121-9f7c-46dc-ac8d-4d453035a9a5.png?width=204&height=452)
Press the required setting.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-4a0f1459-bba1-476a-be57-fc13d72a4b55.png?width=204&height=452)
Press Apply to turn on the function.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-12d5a812-b966-44df-a489-29c430f48236.png?width=204&height=452)
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-bcc45780-c815-478d-b160-0fc0bca9668a.png?width=204&height=452)