1. Find "Charging"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7101024-f-36cf0ddb-f9ff-4c60-9efb-21812a259822.png?width=214&height=462)
Press Battery.
![](http://wmstatic.global.ssl.fastly.net/ml/7101024-f-e97dafa6-7573-4fd9-a95d-c15a95df360a.png?width=214&height=462)
Press Charging.
![](http://wmstatic.global.ssl.fastly.net/ml/7101024-f-a6746b6e-95a6-4a79-84f8-f119817e7116.png?width=214&height=462)
2. Use optimised battery charging
Press the indicator next to "Optimised Battery Charging" to turn the function on or off.
![](http://wmstatic.global.ssl.fastly.net/ml/7101024-f-9e5f44e8-84c2-4886-bc4e-9e13e87095d6.png?width=214&height=462)
3. Return to the home screen
Slide your finger upwards starting from the bottom of the screen to return to the home screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7101024-f-9e5f44e8-84c2-4886-bc4e-9e13e87095d6.png?width=214&height=462)