1. Find "Battery"
Slide two fingers downwards starting from the top of the screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-c888e151-6fe2-41dc-86db-61fd12e0a225.png?width=182&height=428)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-28abe10b-81d1-41aa-a802-bf17beddab94.png?width=182&height=428)
Press Battery.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-6f222803-1532-4523-a8e2-c9be5f3d3463.png?width=182&height=428)
2. Extend the battery life
Press STAMINA mode.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-9fc0b999-9c56-4bab-b743-f9f00325c6cc.png?width=182&height=428)
Press TURN ON NOW to turn on the function.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-3a5f6b51-356b-4c8c-a20b-0649644eb517.png?width=182&height=428)
3. Return to the home screen
Press the Home key to return to the home screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-f3d11bd6-8cba-4903-8cd1-322c1e238fdb.png?width=182&height=428)