Originally posted by Press
The ban is server-sided, and not client-sided. So that means that no matter what you do with your data, your info is saved on the server to make sure it won't let you on.
idk because there is 1 on my friends say cant connect to b.o servers and he just delete the Savegamedata and it work im already do XP lobby and zombies online with my friends and i never banned ^_^ just let you all know DONT PLAY WITH RANDOM PEOPLE JUST DO IT WITH YOUR FRIENDS MY friend was do xp lobby too