you have to reset your system cache

yah thats fine, how do you do it? and when you update will it dissapear?

TTGSmASheR wrote you have to reset your system cache

you know. I tried doing that, it worked on the 3 guns but no 4th perk.

suitcasehero wrote yah thats fine, how do you do it? and when you update will it dissapear?

no it wont, you will be offline of xbox. Just get off the game on go back on and it will say "Update now" or whatever

so how do you do it?

i did it before

iiLegiit wrote i did it before

hoooow

go to your system info and type in one of these button combo's liget

LT RT X Y LB RB B A A A........Here Are Some Other Codes...............Y, Left Stick Click, Y, and X............................Y,A,RT,Y..........................Y,A,RT,ANY D-PAD ANY DIRECTION......................Y,A,RT,LEFT STICK CLICK
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clear your ssystem cache then use mpdataeditor to mod it and away you go.