A new update, XXEMF6, with Android 4.1.2 was released for Samsung Galaxy S III GT-I9300 in Iraq. Update XXEMF6 should be available in Kies if you live in Iraq or through OTA.
If you want to manually update Samsung Galaxy S III GT-I9300 to latest Android 4.1.2 XXEMF6 you can do so using Odin.
: Android 4.1.2
Our recommendation is to wait for the official XXEMF6 update. If you choose to update your Samsung Galaxy S III GT-I9300 using Odin, you have to do it on your own risk.
Install Android 4.1.2 XXEMF6 on Samsung Galaxy S III GT-I9300 using Odin
- First, download I9300XXEMF6_I9300OJVEMF1_MID.zip
- Download Odin v3.07
- Continue the installation by following the steps here: How to manually install update XXEMF6 Android 4.1.2 on Samsung Galaxy S III GT-I9300 using Odin.