14/09/2010, 03:43 AM
First of all, you need to download the file provided in the attachment of this thread. Once it's done downloading, extract the "ISO Tool 1.74" into your desktop and copy the "iso_tool" folder into the GAME folder of your PSP. You also need the untouched ISO in the ISO folder of your memory stick. Once you're done , run the ISO Tool through your PSP.
Choose the ISO you want to patch and pressX on it.
Once you've pressed X on the ISO, press X on "EBOOT decrypt" on the "ISO Menu".
For this "Do you want to store a backup of EBOOT.BIN?", press "No". However, it depends on whether you still want the undecrypted/unpatched EBOOT or not, but I usually press "No" since I use 5.00 M33-6 and I don't have a reason to keep it untouched.
For this "Do you want to enable the version patch?", press "Yes".
For this " Do you want to start?", press "Yes".
Once you're done with the EBOOT decryption, press X on "Patch".
Press X on "Patch Prometheus". Once that is done, you're finished. You can now run the ISO you've patched on your PSP.