6.XX Downgrader v5

Developer someone & Davee just released an updated version of their downgrader. This version now supports OFW 6.60.

Important note: You run the application at your OWN risk. I am not held accountable if you screw up your PSP.

Changelog:
v5

• Added support for 09g units to 6.20
  
• Added Source Code
  
• Added Safety net just in case, for some reason, your psp does not have the 0x51 key, the
• safety net sets minimum version to 6.35 if you were getting an error from v4.

Spoiler for Thanks:

To Davee for making the original 6.35/6.31 downgrader, and for finding this exploit.
To ultimakillz and skyend for being my mentors when I first entered the scene.
To n00b81 for teaching me a lot of things.
To Davee, Freddy, TheLemonMan, Hellcat, and Draan for answering any question's I've had.
To TiPi and Nymphaea for allowing me to work on their VSH sploit, which gained me alot of knowledge and experience.
To Npt for hosting such an awesome competition!
To Arnold, for fixing things here and there.
To All the people who beta tested!
To TiPi for the awsome icon0.
To Zecoxao for handing me the exploit.
To Proxima for adding the special sauce!
And to many others that I'm probably forgetting.

Please read the table to see if you can downgrade your PSP to a certain firmware. If you do not follow the table, you will brick your PSP.

This tutorial is for people that want to downgrade to 6.20/6.35  [This downgrader only works on firmwares 6.31 / 6.35 / 6.38 / 6.39 / 6.60]  (Note: If you are on 6.61 or higher your out of luck)


To start select your PSP to download a OFW: (Note: This is OFW 6.20 because a HEN is available for it)




        




When you have have finished downloading, You will find a file named EBOOT.PBP.




1: Using your PC, create a folder named "PSP". Within the "PSP" folder, create a folder named "GAME". Within the "GAME" folder, create a folder named "UPDATE". (Folder names must be in all uppercase letters).


    
MEMORY STICK           PSP                   GAME                UPDATE              EBOOT


2: Copy the EBOOT.PBP you downloaded to your UPDATE folder.




Now you have to download a downgrader to downgrade your PSP's firmware to 6.20 OFW. (This downgrader works only for 6.31 OFW / 6.35 OFW / 6.38 OFW / 6.39 OFW / 6.60 OFW)


To start




Now extract Downgrader.zip file using 7zip or winRAR. You will then find a folder named PSP open it up and you will see a folder named GAME open that up and you will see a folder named Downgrader


Now copy the Downgrader folder to your PSP GAME folder.


    
MEMORY STICK            PSP                  GAME              Downgrader


3: To start the update data. Select either (Memory Stick) or (System Storage) under (Game) from the home menu, and then select . Press the button to start the update.


Then you will see this message. Now you laugh at SONY and Press the button on the downgrader.





After the SONY updater is finished you will get a BSOD, all you have to do is press button







==========================================================================


Warning!                         Warning!                         Warning!


If your PSP's motherboard module is 07g, this means you can only downgrade to 6.35 OFW. To find out if you have 07g you have to download PSP Module Checker v1.0.


To start


Now extract ModuleCheckerv1.zip file using 7zip or winRAR. You will then find a folder named PSP open it up and you will see a folder named GAME open that up and you will see a folder named ModuleChecker


Now copy the ModuleChecker folder to your PSP GAME folder.


    
MEMORY STICK           PSP                   GAME            ModuleChecker





Now run ModuleChecker from the PSP XMB [Game], the program will tell you what module you have.


Here is 6.35 OFW just follow the same instruction as 6.20 OFW, all you do is use 6.35 OFW instead.