Yoshihiro's 5.55 & 6.00 Game Decrypter
Tools:
PSP with CFW 5.50GEN-b2 (this is what i tested it on)
Download: Yoshihiro’s 5.55 & 6.00 FW Game Decrypter V2
Download: UMDGen v2.00 (UMDgen 4.00 doesn't work for me)
How to decryped game:
1. Download and install Y's game decrypter on you PSP. To install, put the Game Decrypter folder into the GAME folder under PSP on your MemStick.
2. Download and Run UMDGen V2.00. Select File on the tool bar and then select Open.
3. Next locate the 5.55/6.00 ISO you want to play, select it then press Open.
4. Now double click PSP_GAME then SYSDIR and right click the EBOOT.BIN file. From the drop down list click Extract Selected then choose a destination (somewhere you can find it easily) for the extracted file and click OK.
Keep UMDGen open.
5. Copy the EBOOT you just extracted to the Root of your memstick.
6. Exit USB mode, navigate to your memstick under Game and run the decrypter app. When that is finished, go back into USB mode.
7. There should be a new folder called DECRYPTER.
8. Go to UMDGen which should still be open, right click EBOOT.BIN and click Replace. Now go to the DECRYPTER folder on your PSP and select the new EBOOT.
9. When the EBOOT is replaced, click File then Save, give your new ISO a name and save it to a location of your choice.
10. Put the new ISO into the ISO folder on your memstick and Enjoy.
