Sony Xperia Z5, Z5 Dual and Z5 Compact gets 32.0.A.6.152 Update bringing the Stagefright Fix.
The Sony Xperia Z5 [E6653, E6603], Xperia Z5 Dual [E6633, E6683] and Xperia Z5 Compact [E5803, E5823] are now seeing an OTA update available. It's a new firmware with build number 32.0.A.6.152 bringing the full fix to the Stagefright exploit.
This update to Xperia Z5, Z5 Dual and Z5 Compact is rolling out globally across a number of regions. The update file size as reported by XperiaBlog is of around 281 MB.
To get this update available on your device, you should check your handset for any update notification. If you don't have any such notification, you can also force check it manually by going through Settings > About > Device Update and then tap on Check Now. That's the way to do it via Over the Air and requires a stable internet data plan to download the file. You can also do it by connecting your phone to PC and heading to Sony PC Companion tool. There is no change to Android version which remains still Android 5.1.1 Lollipop.
The Marshmallow update to Sony Xperia Z5, Xperia Z5 Premium and XPeria Z5 Compact should be available soon.