ight, rooted, personally found user harder than root.
Also for some ppl offering help, stop playing word games plz. ppl ask you a specific question, don't just answer 'maybe' cmon, elaborate!
Feel free to PM me for help.
For those who are struggling:
Hint 1: You don't need an admin shell.
Hint 2: You don't have to add user to admin group.
Hum if you do manage to get an admin shell please PM me sensei. I wanna know how lol