Requirements:
Strong lag switch
a friend to inv you
a non lvl 80 account
The six steps are:
1: Have a friend invite you
2: Him/her searches for a match while you rapidly click on prestige mode (even though its not available)
3: He/she backs out with party and you keep tapping it for five seconds
4: Then he she searches for a game again
5: Keep tapping again and then turn on your lag switch(has to be a good one)
6: keep tapping with lag on and your partner backs out.
7: Done!!!!!!!!!!!!!!!!!!!!!!!!!
Please dont hate if this didnt work, it is very hard, me and two of my mates have done it.