Samsung is now rolling out Android 4.3 for the Samsung Galaxy S4 I9505, also known as the international Samsung Galaxy S4. Sadly, the update is only on for the I9505 but a similar update is said to be coming for it’s octa-core brother, the Samsung Galaxy S4 I9500 by next week.

Android 4.3 update rolling out for international Samsung Galaxy S4 Android 4.3 update rolling out for international Samsung Galaxy S4
Here is a list of what the Android 4.3 Jellybean brings to your Samsung Galaxy S4:

- OpenGL 3.0 Support
- GALAXY GEAR Support
- TRIM Support (Makes the device much faster)
- ANT+ Support
- Samsung KNOX Implementation (KNOX bootloader and dedicated application)
- Samsung Wallet comes pre-loaded
- Improved RAM management
- Improved Display colour reproduction (Display looks much sharper than before)
- Improved TouchWiz Launcher (Much less launcher redraws and less lag)
- New Samsung Keyboard
- New Samsung Browser (Full screen by default, new tab interface and more)
- New Reading Mode (Optimises display for reading, used by only a few specific applications)
- New Camera firmware
- Minor UI tweaks (Contacts app, Flashlight Widget, dialog boxes etc)

http://bestmobs.com/android-4-3-update-rolling-out-for-international-samsung-galaxy-s4/