1. Extend the battery life
Slide two fingers downwards starting from the top of the screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-caf28dfb-fff7-4cf9-ad5d-8845fd0a5408.png?width=204&height=442)
Press Battery saver to turn on the function.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-bd5211ce-4a15-4a0a-8bcb-7bee0f9d1ebe.png?width=204&height=442)
2. Return to the home screen
Press the Home key to return to the home screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-5afd1b2e-7b51-434a-b53e-acd06ea1955b.png?width=204&height=442)