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-284f0f54-3525-4fc7-b579-5d69e2579915.png?width=204&height=408)
Press Battery saver to turn on the function.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-77dad454-c6fc-4076-bfcb-63cc2293c301.png?width=204&height=408)
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-bd7619eb-788b-4c04-ba58-3c5f3e1b5ad7.png?width=204&height=408)