You should have flashed it with odin
if you go getting mobile odin to try and gain root it will mess with things
Flash with odin
put folder called autoroot on internal sd card
reboot kernel roots the rom
Originally Posted by fred_up
Tried that and all that happens is the autoroot file disappears - no root.
I went from a rooted stock with Pegasus kernel and used Mobile Odin to flash the phone. Normally Mobile Odin keeps the root and injects itself, SuperSU and busybox into the new rom. This time however root has gone.
Edit: Should have searched a bit more.
Go to * HERE *