Instructions
Download, install and run the PS3 Fast File tool.
Download a BLES00683 patch.
Navigate to the PS3 game file from the desktop view on your computer. It should be named "patch_mp.ff."
Click and drag the PS3 game file to the folder for the PS3 Fast File Tool you just downloaded.
Open the PS3 Fast File Tool folder. Double-click on "Gizmo's FF Tool." The PS3 file editor will open.
Press any key to continue to the editing screen.
Edit the PS3 game codes as you wish.
Click "File" followed by "Save As." Choose a name and a location for the file on your computer and click "Save."
Click on the "X" symbol in the top right hand corner of the window to close the editor. A new window will open.
Click the "Browse" button next to "Input," navigate to your newly edited game file and double-click on the file name to add it to the workspace.
Click the "Browse" button again. Navigate to the BLES00683 patch you downloaded in Step 2 and double-click on the file name to add it to the workspace.
Click the "Start" button. Your edited PS3 codes will be converted back to a patch you can use on your PS3 game.