DownGrader for V2.00 to V1.50 is Released

September 27th, 2005, 23:30 Posted By: wraggster

UPDATE- This works on the Ceramic White PSPs and also when you downgrade you can also upgrade back to v2.0 also


The downgrader for v2.0 down to V1.50 is released and its confirmed working by multiple sources including admin from pspupdates and well as the hitmen team.

For now check out this topic for more info and please dont upload the 1.5 eboot to the forums, the downgrader is ok but the firmware will cause major problems for any site hosting it, youve been warned

Heres the readme.txt:

Downgrading 2.00 -> 1.50 method
-------------------------------

Requires :
----------

- PSP 2.00 (if you have an 1.51 or 1.52, update to 2.00)
- The 1.50 EBOOT.PBP update
- MPHDowngrader


Installation :
--------------

- Create a UPDATE folder in PSP/GAME/ folder of your memory stick
- Copy EBOOT.PBP (update 1.50) in UPDATE folder
- Unpack MPHDowngrader.zip
- Copy overflow.tif in your PSP/PHOTO/ folder of your memory stick
- Copy h.bin in root of your memory stick
- Copy index.dat in root of your memory stick
- Plug the AC adaptor


Then, enter in VSHELL PHOTO MENU, this will launch Version Changer.

Create an USB connection and if the Version Changer has been installed, a new file is created in your root of your memory stick (ms0:/index.dat.bak).

Then go to VSHELL GAME MENU and launch 1.50 update.

Follow the instructions ...

Download Below (via the comments) and follow the instructions to the letter

More discussion here -->

http://www.dcemu.co.uk/vbulletin/showthread.php?t=11352

More tutorials etc in the comments

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