Sony has started pushing out a new update to its Xperia XZ and Xperia X Performance smartphones. The update arrives as build number 41.2.A.2.199 and brings along Android OS version 7.1.1. In addition to bringing a few new features part of the updated OS, the new firmware also includes the latest security patch - April 2017. As is usually the case with OTA roll-outs, it might take time for the update notification to pop up on your screen. You can manually check for the update by heading to your handset's Settings menu. Via
Source: http://www.gsmarena.com/sony_xperia_xz_and_xperia_x_performance_start_receiving_android_711_update-news-24717.php