Section II - Motherboard specific instructions.
Section III - Alternate OFW Downgrade Method (Chronoswitch)
Section IV - Download Links and other important resources.
Section I - Determining your PSP® Motherboard Type.
Basic Console Information:
- Motherboard OFW compatibility chart
- PSP 100X
- PSP 200X
- PSP 300X
- PSP Go
- PSP E1000 (Street)
- Determining your PSP® Motherboard type
PSP 100X
OFW Downgrading
You will need a HEN or CFW installed already for this tutorial, if you do not Click Here to download the 6XX LME HEN Pack.
After the download is completed extract contents of the RAR Archive to the root of your Memory Stick.
When the files are done extracting go to your Games menu on your PSP and run the LME Version compatible with your console's firmware.
=========================================================
1. Place the PSP 100X Version.txt in ms0:/SEPLUGINS/
2. Turn your console off.
3. Hold the "R Trigger" or open the VSH menu and select "Enter Recovery" to enter the recovery menu.
4.Go to Configuration > Use Version.txt -> Set as "Enabled"
5. Download a supported OFW for your motherboard.
6. Place the update folder in ms0:/PSP/GAME/UPDATE
7. Run update as you always would.
8. Start the Update process.
9. After update is complete your PSP should reboot and be on an older official firmware.
CFW Downgrading
1. Place Hellcat's Recovery Flasher in ms0:/PSP/GAME/
2. Launch the App.
3. If a popup is shown on the screen, read carefully and click "I AGREE, now take me to the program!" if that's what you wish to do.
4. When you have "Target FW:" selected press the "X" button to select the CFW you wish to install.
5. Afterwards, scroll down and select "Install CFW (of version selected above)"
6. Next, you will be given the option to reset settings. (I recommend resetting them)
7. Confirm the installation.
8. Wait for installation to finish.
9. Press any button to Shutdown.
10. Turn on PSP.
PSP 200X
OFW Downgrading
You will need a HEN or CFW installed already for this tutorial, if you do not Click Here to download the 6XX LME HEN Pack.
After the download is completed extract contents of the RAR Archive to the root of your Memory Stick.
When the files are done extracting go to your Games menu on your PSP and run the LME Version compatible with your console's firmware.
=========================================================
1. Place the PSP 200X Version.txt in ms0:/SEPLUGINS/
2. Turn your console off.
3. Hold the "R Trigger" or open the VSH menu and select "Enter Recovery" to enter the recovery menu.
4.Go to Configuration > Use Version.txt -> Set as "Enabled"
5. Download a supported OFW for your motherboard.
6. Place the update folder in ms0:/PSP/GAME/UPDATE
7. Run update as you always would.
8. Start the Update process.
9. After update is complete your PSP should reboot and be on an older official firmware.
CFW Downgrading
Only for non TA-088-v3 PSP 200X Motherboards
Note: The following process assumes you already have a CFW or HEN AT THE TIME OF READING.
1. Place Hellcat's Recovery Flasher in ms0:/PSP/GAME/
2. Launch the App.
3. If a popup is shown on the screen, read carefully and click "I AGREE, now take me to the program!" if that's what you wish to do.
4. When you have "Target FW:" selected press the "X" button to select the CFW you wish to install.
5. Afterwards, scroll down and select "Install CFW (of version selected above)"
6. Next, you will be given the option to reset settings. (I recommend resetting them)
7. Confirm the installation.
8. Wait for installation to finish.
9. Press any button to Shutdown.
10. Turn on PSP.
PSP 300X
OFW Downgrading
You will need a HEN or CFW installed already for this tutorial, if you do not Click Here to download the 6XX LME HEN Pack.
After the download is completed extract contents of the RAR Archive to the root of your Memory Stick.
When the files are done extracting go to your Games menu on your PSP and run the LME Version compatible with your console's firmware.
=========================================================
1. Place the PSP 300X Version.txt in ms0:/SEPLUGINS/
2. Turn your console off.
3. Hold the "R Trigger" or open the VSH menu and select "Enter Recovery" to enter the recovery menu.
4.Go to Configuration > Use Version.txt -> Set as "Enabled"
5. Download a supported OFW for your motherboard.
6. Place the update folder in ms0:/PSP/GAME/UPDATE
7. Run update as you always would.
8. Start the Update process.
9. After update is complete your PSP should reboot and be on an older official firmware.
Section III - Alternate OFW Downgrade Method (Chronoswitch)
1. Download Chronositch Downgrader Here
2. If you're running OFW 6.61 extract the files in the 6.61 folder to the root of your Memory Stick, if your running 6.20/6.35/6.39/6.60 extract the contents of the 6.20 - 6.35 - 6.39 - 6.60 folder to the root of your Memory Stick.
3. Download a OFW Update compatible with your Motherboard version and place it in ms0:/PSP/GAME/UPDATE/ or ef0:/PSP/GAME/UPDATE/ (If using PSP Go)
4. Run the Chronoswitch Downgrader and follow the on-screen instructions.
5. The SCE Updater should then be launched, wait for the Update process to finish "Press X" and your console should reboot and be successfully downgraded.
Section IV - Download Links and other important resources.
- Version.txt files
Hellcat's Recovery Flasher - ONLY USABLE FOR PSP 100X + 200X (ALL PSP 200X EXCEPT TA088-v3 PSP CONSOLES.)
https://mega.co.nz/#!6QIhiCYR!1bXsPJb3a ... EP37uZ1GU4
PSPIdent 0.75 - http://wololo.net/downloads/index.php/download/1286
Note: None of this software was created by me, nor were the pictures displayed in this thread (other than the PSPIdent screenshot but I highly doubt anyone cares about me editing a screenshot with MS Paint ).
Disclaimer: If anything happens to your PSP by following this tutorial it is not my fault, all downgrades have the possibility of leading to a brick.
If any information is deemed incorrect please inform me and I shall update the thread.
Advertising