Tutorial fixed for you retards who can't assume anything, yes the gpd goes onto an account and the account is on the usb

Don't yell at me for having one post I come from *No Advertising* and decided to share this with everyone!

What to do

* Delete the black ops GPD off your xbox account and move the xbox account onto a USB
* Put in USB onto xbox and keep it there, dont move your account back to the xbox
* Go to private match < free for all < nuketown
* Start the game
* While in the game plug out your usb (you should remain signed in)
* Put the usb with your profile onto your computer and inject the modded gpd onto your profile (i recommend instant 15th gpd)
* Go back onto the xbox which should still be on but dont plug in the usb yet



Here's the tricky part, try to get a friend to invite you to a game while theres an open spot but it has to be full before you join. For example, theres one spot left in the lobby, your friend invites you, you receive the invite but as you go to accept someone else fills the last spot, therfore when you join it will say "Game not joinable"

* Get your friend invites you to a "closed lobby"
* Right when you hit "accept game invite" plug in your USB drive


You should exit the game but not join your friends because its full, now you have successfully bypassed the gpd check and allowed to use the modded gpd. To get the instant 15th prestige one to work join a private match again and it should work.