As part of its Concept for Android program, Sony has started pushing out a new update to participating Xperia X units. The update arrives as version 38.3.1.A.0.54, and brings along several new features including X-Reality for video. In addition, the update also improves adaptive brightness and fixes a bug where-in Low Battery Mode used wrong state post reboot. VoLTE is back, and the update also includes Android fixes for the month of March. Via
Source: http://www.gsmarena.com/latest_sony_xperia_x_concept_build_brings_xreality_for_video_march_security_patch-news-23880.php
