Samsung Galaxy S III GT-i9300 Android KitKat Update :

WARNING :

Don't ever install Cyanogenmod 11 Alpha without asking because :

• It deletes all your SIM contacts
• Deletes all your normal apps [Samsung Apps, S Voice , S Memo , etc...]
• Replaces the apps with hard aps [Not easy to use]
• Laggs
• Sound is too low
• Increase Binary counter [Voids Warranty]
• May Destroy your mobile
• Has a lot of FC [Force Close]
• Doesn't read External Memory Card
• If trying to downgrade you must install 4.3 then it will bootloop then downgrade to 4.1.2 and format data and then install 4.3 

I have fully Tested it , it sucks , too slow , bad boot animation and all the previous .

If you want download comment .