1. Find "Charging"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7041024-f-4bde18cd-e160-4c52-9d28-fbbd829095ca.png?width=214&height=468)
Press Battery.
![](http://wmstatic.global.ssl.fastly.net/ml/7041024-f-fbf91fb0-0d92-40c4-8fe1-ddd2cdec9e2e.png?width=214&height=468)
Press Charging.
![](http://wmstatic.global.ssl.fastly.net/ml/7041024-f-b495df32-2f38-4cff-9d6a-b2e970d24491.png?width=214&height=468)
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/7041024-f-6966fb30-de81-49f2-a6e1-87f43777cd08.png?width=214&height=468)
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/7041024-f-6966fb30-de81-49f2-a6e1-87f43777cd08.png?width=214&height=468)