Hi guys, im on Att s5 I rooted mine then installed super user...I also installed xpised module but didn't like it so I used super user to unroot it has that option in settings of super user...I did this like a couple times my knox is still 0×0 ..as long as you dont flash different roms you dont trip knox.. and I rooted with towel root which took 7 seconds after hitting make it rain... I hope this helps you guy's and for the kernel check in settings under about and tells you
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