Sony Mobile has today released the Android 5.1.1 Lollipop firmware update for the Xperia Z1, Xperia Z Ultra and Xperia Z1 Compact in the form of build number 14.6.A.0.368. We can confirm that this update provides a full fix for the Stagefright exploit.
Sony Xperia Android 5.1.1 Lollipop Changelog
– Improvements to volume and silent mode control, more control of your alerts, simplified and enhanced design
– Integration of LinkedIn with your Calendar and Contacts
– Camera focus, speed and accuracy improvements in Superior Auto mode
– Many new features for Xperia in Business, enhancing enterprise support for Xperia
– Now take pictures from the camera using Sony SmartWatch 3; use the SW3 as a remote shutter button
– Instant calendar events – create & share smart events directly from any email
– Calendar agenda in Email – no need to switch apps to check upcoming events
– Richer Xperia themes
– New Settings menu icons
– Additional options for Wi-Fi and Bluetooth in notification menu