In line with what it promised, Sony has released the Android 7.1.2 update to the Xperia X units that are part of the Japanese company's Concept for Android program. The update - which is live on the Experimental track - also features Bluetooth improvements and alerts related to battery usage. In addition, it also makes camera start-up times faster. There's, however, a known-limitation: the Setup Wizard only supports WiFi currently. Via
Source: http://www.gsmarena.com/android_712_update_starts_hitting_xperia_x_concept_units-news-24595.php
