Sony is showing commitment on updating their devices on the latest version of Android operating system. Last week, Sony rolled out the Android 5.1.1 Lollipop update for Xperia Z, Xperia ZL, Xperia ZR, and Xperia Tablet Z. And now it has updated some more devices to the latest Android. Xperia Z1, Z1 Compact, and Z Ultra received Android 5.1.1 update today and joined the rest of the Xperia devices which are running the latest Android OS.
After installing the update, you’ll have the build number 14.6.A.0.368. The update fixes the Stagefright vulnerability and provides some new options for Wifi and Bluetooth in the notification menu. It also brings some improvements to the camera. The update also added support for the Sony SmartWatch 3 to be used as the remote shutter button for your camera.
The devices are very old and Sony is still providing updates for their old devices which shows the commitment of Sony for their customers. The update has started to roll out OTA worldwide. It may get some time to reach your region.