Posted By: wraggster
At last its released the worlds first real downgrader for v2.5 and v2.6 PSP Consoles by Dark_Alex, Mathieulh, and Yoshihiro has been updated to a working version. Remember that unless you know and are confident of what you are doing then do not use this downgrader, heres a guide that Freeplay wrote:
Here, have a guide:
Get the appropriate ZIP file from the very first post in this thread. password - I_USE_AT_MY_OWN_RISKS
There should be an EBOOT.PBP file in the ZIP file.
On your memory stick, go to PSP, then GAME. Make a folder called DOWNDATERTEST.
Put the EBOOT.PBP file in DOWNDATERTEST.
If you have a 1.50 dump, copy the DOWNDATER folder to the TOP LEVEL of your memory stick.
IF YOU DO NOT HAVE A DUMP, DO NOT EVEN ATTEMPT TO RUN THIS PROGRAM. YOU MAY BRICK YOUR PSP.
For example, if your memory stick is O:\, copy it there.
This folder should contain two folders and two files:
DOWNDATER\DUMP\ (containing the 1.50 dump)
DOWNDATER\PRX\ (containing the 1.50 UPDATE .PRX files)
IF THIS IS ALL OK, YOU SHOULD BE SET:
* The two files and two folders mentioned above
* PSP\GAME\DOWNDATERTEST\EB OOT.PBP
* A PSP THAT DID NOT COME WITH 2.60 PRE-INSTALLED
Now... Go into GTA, go into eLoader, and run "DOWNDATER TEST".
The Memory Stick light will blink for about 2-3 minutes.
Afterwards, your PSP should reboot.
You should get the blue "Reset to defaults" screen. Press O.
The PSP will reboot again. You will have to define basic settings again.
You might notice a "Disc could not be read" error.
If you do, take the battery out, put it back in, and reboot.
Good luck, folks!
Make sure you dont have a PSP version TA-082 which can easily be spotted by opening the UMD Drive and looking in the top-right corner for the text "IC1003" If you see those digits you cannot downgrade or even use the PSP Modchip.
Authors website--> http://www.sonyxteam.com/
Me or other DCEmu Staff Members will add to this newspost throughout the day, but for Now....
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Reports of Bricked Consoles are still coming in so unlike other sites desperate to get a few visitors I urge extreme caution. Remember unless your 100% sure then my advice is dont use