
Here's the full changelog (build number T999LUVUBMK4):
- – GALAXY GEAR Support
- – TRIM Support (Makes the device much faster)
- – Core UI elements updated to the ones on the Galaxy S4 (Galaxy S4′s theme all over)
- – New Samsung Keyboard
- – GPU drivers have been updated (Higher GPU benchmark scores)
- – New Lockscreen: Multiple Widgets, improved ripple effect than Android 4.1.2, ability to change clock size and set a personal message
- – New Screen modes (From S4): Adapt Display and Professional Photo
- – Daydream
- – Driving mode
- – Actionable notifications
- – Move-to-SD-card feature
- – New Camera mode : Sound and Shot
- – New Additions in Notification Centre
- – Completely revamped Settings UI (Tabbed interface – Exactly like the Galaxy S4)
- – Implementation of Voice controls (Let’s you control various parts of the phone using voice commands – Galaxy S4 feature)
- – New Samsung Apps: Calculator, Clock, Contacts, Gallery, Music
- – Full screen Samsung apps
- – New S-Voice (from Galaxy S4)
The update has reportedly been rolling out since Monday, so some of you should have already received it, while others might not have to wait too long after reading this before getting to enjoy everything the Android 4.3 update brings. The over-the-air update is around 500 MB in size, and those who like to do things differently can also try updating via Kies or by downloading the firmware from the firmware section.
More details on the update can be found at the source link.