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Error and Prestige Profiles
MW2
Internet

You're going to have to (like normal) load the Error and Prestige Profiles on 1.09 and go into a game with them, and choose a class with both of them. This will "Uncorrupt" them. Exit to XMB and Delete the MW2 Patch.

After doing that, go into MW2 and don't Install the Patch. Go into Multiplayer. Choose Play Online. SIGN IN but then cancel the patch when it asks. Then go to Splitscreen. Load a NON ERROR Profile FIRST. Choose Game Setup. Use PlayStation Unlocks. Let it get your rank and unlocks.

After this is done, Turn OFF PlayStation Unlocks. Go back. Load your "ERROR" profile. Go into Barracks with that, and Prestige. Go back into Splitscreen. Load the "PRESTIGE" profile. Use your PSN Unlocks again. If you did it right, you should see Whatever Prestige Level 70 instead of your PlayStation Unlocks. Go into Barracks and Prestige.

This next part is just to see if it worked. You can also exit to XMB and install the patch again to see if it worked. Go back to the Main Menu. Choose Singleplayer and load a mission. When it's done loading, exit and go back into Multiplayer and choose Splitscreen. Load ANY profile, and then go to Game Setup. PlayStation Unlocks. If you see the correct Prestige, you succeeded.

This is a much shorter tutorial, and you can do it straight from your PS3 and without installing the patch or using Patch Blocker.

Hopefully Prestige Shops will be much faster now.

Note: This STILL doesn't get Hacked Classes to Stick.

question to all experienced at this:

I have done this multiple times now (for my and my friends accounts) and i did this to get 10th prestige on my main account but i recently decided id rather be 7th prestige so...

i just redid all the steps but switched the file for the 7th prestige one but for some reason after i have done every single step but the final three (which are to load the prestige file get ur playstation unlocks and prstige) after i load the prestige file it just wont get my playstation unlocks no matter how many times i try. it just stays as the generic fng and dogtags but with my psn at level 70 6th prestige (my title and emblem shud show up)

why is this? is there another step i need to do to deprestige? pls help asap

Tried, Didn't work.