Recently, rumors about the arrival of version 4.3 of Android with the Google OS ROM Edition had been circulating on the web. We had not even had time to check that sites already offer screenshots and a tutorial to install this ROM on all Galaxy S4 with the serial number GT-I9505 the moment.
http://vedux.com/how-to-install-android-4-3-on-your-samsung-gt-i9505-galaxy-s4/
vyagers 