PSP® System Software Downgrade Tutorial

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PSP® System Software Downgrade Tutorial

Post  bsanehi on Wed Oct 12, 2011 5:23 pm

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



Last edited by bsanehi on Sat Oct 15, 2011 11:28 pm; edited 6 times in total

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Re: PSP® System Software Downgrade Tutorial

Post  jc_gargma on Wed Oct 12, 2011 6:50 pm

The lowest a PSPgo can downgrade is 6.10 (not 6.00) as no earlier PSPgo OFW updater files exist.
Aside from that, 5.70 is the lowest possible OFW on a PSPgo (Only found on right-from-the-box TA-91 PSPgos)
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Re: PSP® System Software Downgrade Tutorial

Post  bsanehi on Thu Oct 13, 2011 8:28 pm

jc_gargma wrote:The lowest a PSPgo can downgrade is 6.10 (not 6.00) as no earlier PSPgo OFW updater files exist.
Aside from that, 5.70 is the lowest possible OFW on a PSPgo (Only found on right-from-the-box TA-91 PSPgos)

I will fix that Smile

But for now it doesn't really matter.

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