Install Android 4.1.2 XXEMG4 on Samsung Galaxy S III GT-I9300 using Odin
- First, download I9300XXEMG4_I9300OXEEMH1_RTL.zip
- Download Odin v3.07
- Continue the installation by following the steps here: How to manually install update XXEMG4 Android 4.1.2 on Samsung Galaxy S III GT-I9300 using Odin.