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-b79d3af0-4c93-471e-9a87-1521f07e71b7.png?width=200&height=444)
Press Power saving mode to turn on the function.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-3b01aceb-1130-4ee0-b240-be5223bca65e.png?width=200&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-5041e3b5-07a2-4268-85bc-e7f494e5f1f0.png?width=200&height=444)