PSP® System Software Downgrade Tutorial

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PSP® System Software Downgrade Tutorial Empty 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.

PSP® System Software Downgrade Tutorial Downgradetable

This tutorial is for people that want to downgrade to 6.20/6.35 PSP® System Software Downgrade Tutorial OuPJWy [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)

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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).

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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 PSP® System Software Downgrade Tutorial Ps_btn_dwnld_off


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.

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3: To start the update data. Select either PSP® System Software Downgrade Tutorial Ps_icn_saveddatautility (Memory Stick) or PSP® System Software Downgrade Tutorial Ps_icn_systemstorage (System Storage) under PSP® System Software Downgrade Tutorial Ps_icn_game (Game) from the home menu, and then select PSP® System Software Downgrade Tutorial Ps_icn_ntwkupdate. Press the PSP® System Software Downgrade Tutorial Crosso button to start the update.

Then you will see this message. PSP® System Software Downgrade Tutorial Ps_en_7 Now you laugh at SONY and Press the PSP® System Software Downgrade Tutorial Crosso button on the downgrader.

PSP® System Software Downgrade Tutorial Downgrader

After the SONY updater is finished you will get a BSOD, all you have to do is press PSP® System Software Downgrade Tutorial Circleb button

PSP® System Software Downgrade Tutorial Pspbsod


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

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PSP® System Software Downgrade Tutorial Empty 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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PSP® System Software Downgrade Tutorial Empty 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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