The function X-Reality for your Sony Xperia Z5 improves the image quality of pictures and videos that you've taken with the camera. The Sony algorithm of that function improves the pictures the picture quality in terms of clarity and naturalness. The mode X-Reality is enabled by default on the Sony Xperia Z5.
If you do not like to use that feature, for example, because it increases the battery consumption of the smartphone, then we'll show you now how to disable X-Reality on the Sony Xperia Z5.
Open the following submenu:
Menu --> Settings --> Display --> Image Optimization
In this submenu you can now deactivate the X-Reality option for your Sony Xperia Z5. This takes effect immediate and the images remain as they were recorded and are not subsequently improved by this mode.
Moreover, the battery consumption is lower, since this option requires a lot of CPU resources. You know now how to turn off on the Sony Xperia Z5 the option X-Reality in the settings of Android.