Okay first you want to do Chris's exact hack, next you want to go back to splitscreen then load up this file
[Only registered and activated users can see links. ]
Go back to online, and prestige! This will send you back to ALL of your original stats BUT you keep prestige! Once you hit level two you will unlock all the prestige badges and titles! You also will keep your killstreaks! Thank You and please dont leak it took me hours to find this!
+Rep if I helped^