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-637d3391-6eab-4aa3-8fe4-bd7f7faf78e8.png?width=206&height=434)
Press Battery Saver to turn on the function.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-af3fb3f3-15d8-4ea5-a0b6-2538d96ea4f8.png?width=206&height=434)
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-9dee0c3a-3105-4187-9a14-bfcca682fe3c.png?width=206&height=434)