1:they have to be 50 in combat training about to prestige
2:you invit them to combat training
3:tell them to press Y then to go to xbox live party
4:tell them hit the prestige button and to hover over the enter prestige button
5:you switch it to player match then tell them to prestige
6:now there deprestiged to to level one whatever prestige they were at
yea just go into a game of search and tell some one u will boost them up 2 prestiges but they have to be level 50 in combat training im 15ht prestige so im pritty convincing lol