I have a rooted 12.2. I was reading another thread that random reboots occur when installing SuperSU and not having it disable Knox. I did the reinstall of SuperSU, but I wasn’t prompted if I wanted to have it disable Knox or not (unlike the first time I installed it). Anyway, I really dislike the random reboots because it kills the battery. Can someone advise how I can get SuperSU to ask me about disabling Knox? Or… show me where to download the stock firmware for a USA Galaxy Note Pro 12.2? Or would a

Source: [Q] Random reboots when rooted… I give up! | Samsung Galaxy Note Pro 12.2