You can flash custom 4.3 roms as they dont contain any bootloader.....an official 4.3 flashed via odin will, and you cant go backward on the bootloader due to knox etc.
downloaded, i make full wipe, flash rom and when i reboot, ia get message "Disable recovery flash ? " and my phone reboot with black screen. Any sugestion ?
---------- Post added at 10:22 AM ---------- Previous post was at 10:11 AM ----------
if you have latest firmware leaked NA5 with new bootloader its imposibile to downgrade to official firmware 4.3 or 4.2.2 via odin
As I can see you have the new bootloader and Knox flag 1. Flash the newest 4.4.2 leak with odin. Then instal philz recovery. Download this rom and flash it in philz recovery. That should work.
Wait for someone to confirm this before you flash. Just in case i forgot something
If you want to upgrade the ROM to 4.2.2, the current bugs are:
Toast notifications are too big, some text goes off of the screen
Same with expanded notifications
Camera is horrificly oversaturated
When typing a message over 500 characters in Hangouts the phone just becomes horribly slow
RAM goes missing a lot quicker. After 3 days without reboot advanced task manager said I have 50MB of RAM left