Sony Xperia Z2 gets firmware update with improved voice call quality and performance

Sony has rolled out a software update for its flagship smartphone, the Xperia Z2. This update is available globally for all models of Xperia Z2 with the Android 4.4 Kitkat version. The update has the firmware build number 17.1.2.A.0.314 and it is being rolled out in a phased manner.
The update...
Sony Xperia Z2 gets firmware update with improved voice call quality and performance