Originally Posted by nm8
I meant I have not messed with it for a few months. It's rooted and running stock 4.2.2 with adam kernel 1.6
Hmmmm, for stock firmware I don't think so, mobile ODIN will flash, but some of part like bootloader it won't flash. And I am not sure if it's working on 4.2 bootloader.
Personal suggestion is that you flash recovery and then using recovery to flash KNOX-free ROM