I've just had to do this and info was all over the shop.
I'll even do a write up on how to do it when I get back from work.............
I feel the mods aren't that active in note 3 forums.. The forums are a mess and we barely have any useful sticky threads. I made a return to stock guide a while ago, it's linked in my sig. But it always gets hidden due to the useless threads that are made daily in the general section.
Sent From My SM-N9005 To All You Wonder Nobodies!!