Sony Xperia X Concept build comes with a new battery saving feature that replaces the older STAMINA mode from the days before Android Doze. The new build brings the build number up to 38.3.A.0.83 and except for the Battery Saver, it packs some other improvements as well.

The Battery Saver has several modes that can be selected to increase the battery life on your device. Aside from the Battery Saver mode, Sony added new features for the camera, such as new quick settings and app shortcuts for faster capturing.