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-d95ca03b-d920-4892-874e-7bed3b9e9118.png?width=198&height=444)
Press Battery saver to turn on the function.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-cd0dd8c1-8ce8-4c75-b764-44438b05a8cd.png?width=198&height=444)
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-cc44591b-ebf7-4445-a093-e3281e1f79bc.png?width=198&height=444)