my brothers sgn is not rooted and im helping him root his phone,so can you please check if this is correct. my brothers sgn kernel is LA1 so 1st we need to do is download any old(im planning kj1) which is directly rootable from post 1 then flash it via odin
-is the old rom already rooted with isecure kernel or after downgrading to old rom we still need to root it via zergrush to get root and also flash insecure kernel inorder to have custom CWM recovery?
already have little flashing exp but with sgs2 and would appriciate any help
thanks in advance