currently there is default battery limit of 85%, This can also be given to the user set the limit as they want. If we use between 20 % to 80 % the battery life will be extended further.

In this one UI 4.0, it could better if we use the navigation bar such a way can be moved wherever the location we want in the screen as well as tilting to 90 degree either left or right, that will be more helpful when using the mobile on one hand mod...