You would need to purchase external devices such as a JTAG, UTAG, or transfer cable.
This is not possible - This is possible with a mod on modern warfare 2, but not modern warfare 1.
You can't unless you have a mod
You don't.
no but you can mod add me if you want me or my clan to mod for you --AARONdaBONE xD
Just mod like i do.
you can't get banned
Only works on regular private matches
You have to get invited by a co-host or a host that hosts challenge lobbies
burn it on a disc and then smoke weed with a mermaid.
MOD means Modification.
You use the save file on ps3 and you have to actually mod your xbox for 360.
Dont mod u ruin the game for evry one u noob