1. Find "Battery"
Slide your finger downwards starting from the top of the screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-f3f1c5c2-0b7c-420e-b35f-30c56d2f5863.png?width=212&height=434)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-00ed165e-6505-48dd-af4c-070fc489ed1f.png?width=212&height=434)
Press Device maintenance.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-4d88bad1-8172-4ff1-94fd-8a0e039481c9.png?width=212&height=434)
Press Battery.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-566f8a4d-88ed-4a69-a5fa-ae4312ecbbf2.png?width=212&height=434)
2. Extend the battery life
Press the required setting.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-4598ba4b-51d7-4a1d-ad43-5b98ef12d8a5.png?width=212&height=434)
Press APPLY to turn on the function.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-2e619392-d3cb-44e4-bc20-66425b1f169f.png?width=212&height=434)
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-8d336d84-98fe-4f8f-a873-d72ec89d50e8.png?width=212&height=434)