1. Find "Battery"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-385fd96c-c722-4d6f-aacd-1964b2e9c0d0.png?width=212&height=380)
Press Battery.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-ef6ce029-f452-4f99-8b10-a27944717a62.png?width=212&height=380)
2. Extend the battery life
Press the required setting to turn on the function.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-13458328-be3c-4896-85b8-0262d5e03c19.png?width=212&height=380)
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-1d87a8c9-4823-4c91-8357-d2957c9c132d.png?width=212&height=380)