You may already have the latest software, depending on the date of purchase. Software updates are released at different times depending on operator and/or country. Therefore, we cannot give you an exact date for when a specific update will be available for your device.
Android version: Google Android 4.4 (Kitkat)
Latest available software: 17.1.2.A.0.314
Release started: 2014-07-18
To find your device’s current software version: Settings > About phone > Build number / version
Included in this software
This upgrade for your Xperia™ includes many improvements, such as:
Enhanced voice call quality
Improved touch function and performance
Improved charging when battery is low
Improved overall performance and stability
And all of our latest bug fixes and improvements
Xperia™ Z2 Android version overview
Android 4.4 (KitKat)
Note: The availability of software updates depends on your country and/or operator.