X performance users will be getting the Android Oreo update soon. Read here. Well, I can now confirm to you that the Oreo update is now available on the Xperia X performance, and it is coming just after we announced that the update has been made available to Xperia Xzand Xzs users.
go to settings >> about, on your smartphone, to update your phone to Android 8.0 Oreo.
the series of Sony smartphones to get the Android Oreo update.