1. Find "Power Manager"
Slide your finger downwards starting from the top of the screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-be836463-f469-48c5-acf4-7320a9682983.png?width=208&height=372)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-3e66e467-d56a-42ff-930c-3129d9b372a5.png?width=208&height=372)
Press Power Manager.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-7bab93ce-f871-40d9-b503-4618b180e02f.png?width=208&height=372)
2. Extend the battery life
Press the indicator next to the required setting.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-4c62aed4-0b8f-41f2-ad08-0c411380f237.png?width=208&height=372)
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-4c62aed4-0b8f-41f2-ad08-0c411380f237.png?width=208&height=372)