Looks like SamMobile got their hands on the test build of the Android 4.3 Galaxy S4 Google Play Edition This build is mainly for developers, but if you feel confident in your flashing skills, you can give your hand in it. Downloads and instructions provided below, so go check it out if you dare. Please do not let your phone blow up. Let us know how it is.
– This is not flashable through Odin.
– This will void your warranty.
– Don’t attempt this if you don’t have the skills to flash a custom ROM
– You are doing this on your own risk
Android version: 4.3
Build ID: JWR66N
Build Date: 26 June 2013
– Samsung Galaxy S4 (GT-I9505)
– Custom Recovery
– Copy Google Play Edition ROM to your internal SD Card
– Enter Recovery (Power + Volume Up + Home)
– Do a Wipe/Factory Reset (Necessary due to new Android version)
– Flash Google Play Edition ROM
– Reboot your device!
Download: (Choose either one)