Samsung just launched the official firmware for Android 4.3 for Exynos powered Samsung Galaxy S4 variant. The update for the Snapdragon 600 powered model got the update from the company a week ago.
Image Credits: GSMArena.com
The very first countries to get the update are India and Indonesia, but also many more countries would get the update thereafter.
We have a small change log for the new firmware.
The update would rolling in your devices anytime now, so keep checking for notifications. BUt if you are very impatient to wait, you can always flash the update via Odin.