Tuesday, October 6, 2009

How to use Yoshihiro’s FW 5.55 & 6.00 Game Decrypter

Yoshihiros Game Decrypter tutorial / guide by Rith.
PSP world was overwhelmed with Yoshihiro's great applications incuding his Game Decrypter but do you know how to use it on you legal ("EHEM") back ups?

What do you need?
  1. Yoshihiro’s Game Decrypter installed onto your GAME folder.
  2. UMDGen 4
  3. The latest GEN firmware (requires GEN-A, also on the page). (Unless you are on a 3000, then CFWE/ChickHEN.)
  4. and of course, your legal UMD backup.

Step 1
Open up UMDGen. Click on open and find your ISO image. I recommend making another backup of the image before you edit.

Step 2
Go to File>File List>Export..
Save it as filelist.txt, in somewhere like your desktop.

Step 3
Under the Explorer view, you should see the folder structure of the image. Head into the PSP_GAME directory and then the SYSDIR directory by using the folder tree on the left or by double clicking in the main view.

Step 4
(Now is a good time to connect your PSP/MemStick - so go ahead and do that). You'll see a folder and a couple .BIN files. The one you need is EBOOT.BIN, so select it. . Right click and choose "Extract Selected..."

Save it to the root of your Memory Stick, by root I mean the very top of the stick - the same place you see the ISO, PSP, SEPLUGINS directories - but not in them.

Step 5
On your PSP, run the Decrypter from the Game menu.
It will ask you to press X when its ready, so you better do what it says.

Step 6
Connect up your PSP to the computer again.
You should see a new folder called DECRYPTOR in the root of the MemStick. Inside you'll find the decrypted EBOOT.BIN. Move it to your desktop.

Step 7
Back in UMDGen.
Remember where you found the original EBOOT.BIN? If you're not there already - go there!

Right click the blank space and choose "Add>Existing File(s)..."
Locate the decrypted EBOOT.BIN which is hopefully on your desktop. Add the file.
It will ask if you want to replace the file, do it.

Step 8
Go to File>File List>Import... and find filelist.txt.
It will ask if you want to force file positions, choose yes.

Step 9
You are now ready to save the image. So choose save and save in the format you wish.

I strongly suggest that you go at the news source for more documents and information.

UMD GENv4 and  5.55 & 6.00 Game Decrypter
X GEN Updater v2
Source: pspslimhacks


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