Sony has released a new software update for two of its handsets, the Sony Xperia XZ and the Sony Xperia X Performance.
The software update for the Xperia X Performance and Xperia XZ brings the handset to Android 7.1.1 Nougat.
The update comes with the built number 31.2.A.2.119 and it brings a range of new features and improvements to both devices.
The Android 7.1.1 software update has been released as an over at air update for both handsets and you can check to see if it is available for your device from the settings menu.
Source Xperia Blog