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[GUIDE]Downgrade your PSP using Pandora's GUI v1.5

27 Dec 2007 7:12 (Edited: 27 Dec 2007 7:12)

**********************************************WARNING*********************************************
This will only work on Windows XP, if your Computer OS is not Windows XP this guide is not for you.
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Creating your Battery and MS

What you will need:

*A PSP with CFW or Homebrew Enabled PSP
*A 256 MB Memory Stick PRO Duo
*An Extra SONY Original Battery(Don't worry you could still convert it back once we are complete)
*A USB Cable
*And the Required Files

*Pandora's Ultimate Magic Stick Installer

*1.50 EBOOT


Steps:
-Download the "Pandora's Ultimate Magic Stick Installer" found above.
-Extract the files anywhere on your PC.
-Go to the folder you just extracted and there should be lots of files there, the first one that we are going to use is the "Pandoras_GUI_v1.5.rar", extract that anywhere again in your PC.
-Now go to the folder you just extracted which is Pandoras_GUI_v1.5, double click it and inside there should be one folder, open that folder and inside that folder there are two files.
-Double click the "Setup Pandora's GUI" to install Pandora's GUI v1.5 in your computer.
-Now, download the second file found above which is the 1.50 EBOOT.
-Extract it to your Desktop or where ever you want.(much easier if on desktop)
-Open the Pandora's GUI v1.5 now.
-Once it loads up it will look like this .
-Click "Load Local File" as shown in the picture found here and select the 1.50 EBOOT you placed on your desktop or where ever you placed it.
-Put your 256 MB Memory Stick PRO Duo in your PSP and your Battery that you are willing to convert.
-Format the MS via PSP [System Settings]>[Format MS] then once it's finish formating put your PSP in USB Mode.
-Next in the Pandora's GUI locate your PSP drive letter and select "PSP/GAME" for Homebrew Enabled PSP's(1.50 FW) or "PSP/GAME150" for CFW PSP's, as shown in the picture found here .
-Once that's finish click "Format my PSP" as shown in this picture to format your PSP Logically.
-After formating while still in USB Mode remove the Memory Stick PRO Duo, then turn off the PSP Manually.
-While the PSP is still off insert the Memory Stick PRO Duo and turnon your PSP.
-Once it loads up connect your PSP back into USB Mode.
-In Pandora's GUI select "Copy Files" button to copy all the files toyour PSP as shown in this picture.
-Again while still in USB Mode remove the Memory Stick PRO Duo and turn off your PSP.
-After that insert again your Memory Stick PRO Duo and turn on your PSP.
-This time in your PSP go to [GAME]>[Memory Stick]> and you should see two corrupted data in there(that's normal) and there are also two other programs there, Pandora's Battery Creator and Pandora's Battery Firm.Installer, what you should do now is run "Pandora's Battery Firm. Installer".
-Once it loads up you should press X (cross) button to install the firmware to the memory stick just as said there, wait while it write it write the necessary files.
-Once it finish writing the files it will auto exit in 10 seconds, then what you should do is go to USB Mode.
-In Pandora's GUI you should now select "Write IPL" as shown in the picture found here .
-After that exit USB Mode and remove you Memory Stick PRO Duo then turn reboot your PSP, once your PSP boots up go to [GAME]>[Memory Stick]> then run the "Pandora's Battery Creator".
-Once the program loads up press /_\ (triangle) button to backup your eeprom to your PSP MS(ms0:/eeprom.bin) so you could turn your battery back to normal once you finish downgrading/unbricking.(This is a must if you want to return your PSP back to normal or you may skip this step if you do not want to turn your battery back to normal, but having a backup is nice). It will then auto exit once it's finish backing up your eeprom.
-Load the program again and once it loads up press X (Cross) button to make your battery a JigKick battery a.k.a. Pandora's Battery, after it's finish making your battery a JigKick Battery it will auto exit to the XMB.
-Congratulations you are now in possession of a Magic Memory Stick and A JigKick Battery.

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How to use your Magic Memory Stick and JigKick Battery

-What you should do now is turn your PSP COMPLETELY off.
-Once it is COMPLETELY off you could remove now the Magic Memory Stick and the JugKick battery.
-Place the Magic MS then the JigKick battery and it will auto boot.
-You will know that you made it correct the MS and WLAN LED will light up, then a menu will show up.
-You could now press X(Cross) to downgrade to 1.50.
-Wait while it flashes your PSP back to 1.50.
-Once it's finish downgrading remove the battery and plug in your AC Adapter or your Spare Battery to power the PSP for now
until we can return the battery to normal.
-Now once it boots up you'll get this BSOD and just press O (Circle) Button until it reloads again.
-It will then let you configure the settings for your PSP like time, date, etc..., now once your finish on that go to [SETTINGS]>[System Settings]>[System Information.] and you should now see System Software: Version 1.50

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How to convert your JigKick Battery back to normal.

-Power your PSP using your AC Adapter, then insert your JigKick Battery then your Magic Memory Stick. It shouldn't go to service mode cause it's already on.
-In your PSP go to [GAME]>[Memory Stick]> run the "Pandora's Battery Creator" again and once it loads up press L+R to flash your eeprom from your memory stick(ms0:/eeprom.bin) and turn your battery back to normal.(If you didn't backed up your eeprom you could press [_] to generate a fake serial to your battery so it will work as normal)
-You could now remove the AC Adapter and reboot your PSP to make sure it worked fine.
-To return the Magic MS back to normal you could format it via PSP System Settings.


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Thanks for reading if there are any questions/suggestions please leave a comment.
-N01NOob :)


User comments

tripplite
Inactive

hey pretty sweet!!
why dont your open a thread of this???

#126 Feb 2008 19:50

Lol thanks

#231 May 2008 8:22

can a 2gig ms work?

#303 Aug 2008 16:15

Using this great guide can I use a slim psp with cfw 4.01 m33-2 to convert a phat battery?
thank you for your hard work!!

#405 Jan 2009 4:26

I am trying it I came to the step where I open my mem stick and I get the 2 corrupted files and the other two.I select Pand.Firm installer and I get the error 80020148 the game could not be started! help please!

#505 Jan 2009 4:30

how i coa downgrade i got 1.51

#623 Oct 2009 21:03

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