JTAG(depends) or transfer cable but you can change their speed in customized class(Not allow Custom class) which means you make the class...and ETC.
only if your black ops is on pc
no
it is a mod, you have to mod your account to activate it.
there is none they are just cheating
Dont think you can
you mod
its an x-box mod
Yes
Well U can't but people all ways say that they hack it or use jailbreak i think its not true that u can mod black ops zombies
Yes but I would not know how.
You mod the game
only on pc and you have to get a mod