Sony has announced that it has started rolling-out Android 4.3 Jelly Bean update for Xperia Z1 and Xperia Z Ultra smartphones. The update is now available over-the-air and via PC Companion/ Bridge for Mac applications.
According to Sony, it has made quite a few tweaks to improve the functionality of Android 4.3 on its Xperia smartphones.
Android 4.3 base
New Smart Social Camera app for Xperia Z Ultra users (already available on Xperia Z1)
Tweaked and improved versions of Messaging, MyXperia, Smart Connect, Small apps, TrackID, Sony Select and more
Sony Entertainment Network cloud service integration on Walkman, Album and Movies apps
Addition of Xperia Themes with downloadable UI packs from Sony Select
Latest Android security enhancements and Xperia in Business
Sony has also noted that it will soon be revealing details about the Android 4.3 roll-out for other Xperia devices.
It is important to note here that Xperia software updates are released region/ carrier-wise, so not everyone will get the update right-away. If you have already got the Android 4.3 update on your Xperia Z1 or Z Ultra, do let us know about the experience in comments.