Sony has finally started rolling out the Android 8.0 Oreo update for the Xperia XA1 series that includes XA1, XA1 Plus, and XA1 Ultra just as it promised. The update brings the build number from 48.0.A.1.131 to 48.1.A.0.116 which is based on Oreo. The update also brings February Android security patch. Android 8.0 Oreo update for the Sony Xperia XA1 series brings reminders for unfinished tasks, Xperia actions which intelligently suggests actions based on your usage with all new games and community features. Furthermore, It also brings contextual menus for app shortcuts which on long pressing will show more options for you to perform various other tasks. Since it is an Oreo update, standard Oreo features like notification channels, Background limits, Snooze notifications, Picture in Picture (PIP) display and more are accounted here. The update is around 900MB in size depending on the model you are using and we suggest you charge your phone to 50% before starting the update process. Source 
Read Here»