1. Find "Battery"
Slide two fingers downwards starting from the top of the screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-4ea2d625-fd94-4805-aee0-2a446685576d.png?width=206&height=412)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-8c8905d0-6b28-407c-91d9-9f99c8550413.png?width=206&height=412)
Press Battery.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-94456eb6-c566-4cb2-b226-b0d9ba800834.png?width=206&height=412)
2. Extend the battery life
Press Battery Saver.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-f0de195f-5990-4e0b-b222-b1814909684e.png?width=206&height=412)
Press Turn on now to turn on the function.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-2091e109-7481-49a2-aed8-6e99257a4ed1.png?width=206&height=412)
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-e1fa255b-a519-4ccb-8b01-3378fc86cf1a.png?width=206&height=412)