Its impossible.
Let me get this VERY clear.
THERE IS NO SUCH THING AS A 'NON JAILBREAK' BO2 MOD!!!! NO MATTER WHAT ANYONE SAYS! NO SUCH THING!
Why?
Because we haven't ,ade any yet, nor are we working on it.
NONE CAN BE MADE FOR OFW users.
Buy a CFW,
$80 and christmas is coming up