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-39442f38-08bb-4e83-9c2d-b0470f72b99d.png?width=202&height=448)
Press Power saving mode to turn on the function.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-f0b654c7-d647-40e7-86e9-f2e39c869f16.png?width=202&height=448)
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-ac3d40ee-66eb-4dac-9a18-8dcadd96021a.png?width=202&height=448)