azekual
06-14-2009, 03:52 PM
Ok here's my situation.
I have a psp phat and I want to downgrade it. I currently have firmware 5.51 and I don't have a USB cord to connect to my computer, but I do have a card reader.
the simplest instructions on how to downgrade would be appriciated.
Xenogears V
06-15-2009, 09:09 AM
File on http://dax.allroms.nl/index_psp.php
Firmware: http://www.psp-hacks.com/category/36
Super noob guide to making pandora battery and memorystick:
http://forums.maxconsole.net/showthread.php?t=76092
From 1.50 install 3.52 M33
http://exophase.com/psp/download/3.52M33.zip
1 - If you are under official 1.50 PSP firmware, copy kxploitpatcher and kxploitpatcher% folders from "1.50only/" of this download to your "ms0:/PSP/GAME/" and use it.
2 - Once done it, or if you are under any Special/Open Edition/M33, copy M33CREATOR folder to your "ms0:/PSP/GAME" (1.50fw) or "ms0:/PSP/GAME150" (SE/OE)
3 - Download official 3.52 eboot, rename it to 352.PBP and place it on "ms0:/PSP/GAME/M33CREATOR/" or "ms0:/PSP/GAME150/M33CREATOR/"
4 - Download official 1.50 eboot, rename it to 150.PBP and place it on "ms0:/PSP/GAME/M33CREATOR/" or "ms0:/PSP/GAME150/M33CREATOR/"
5 - Go to Games/Memory Stick on your PSP, and execute "3.52 M33 CREATOR". Once finished, it will go back to the XMB.
6 - Go again to Games/Memory Stick on your PSP, and execute "3.52 M33UPDATE". You'll have to press X to agree to the installation.
7 - When finished, press X to shut down and reboot manually.
8 - Enjoy your 3.52 M33 ;)
Install 3.52 M33 Update 4
http://exophase.com/files/psp/M33-1234.zip
(If Psp Say "The game could not be started. Error (80020148)" do so:
Force turn off Psp. Press and hold press "R" button while turn on the psp.
Now you are in "Recovery menu".
Go on "configuration" and press "X" button.
Now go on "Game folder homebrew" and set it on "(currently: 1.50 Kernel)".
Put "M33Update4" folder in "GAME150" and run update.
(Ms0:/PSP/GAME150/M33UPDATE4/EBOOT.BPB)
Install 5.00 M33
http://rapidshare.com/files/154847567/5.00M33.rar
Requeriments:
- Installation requires a PSP with 3.52 M33-4 or higher.
Instructions
- Copy the UPDATE folder into /PSP/GAME/
- Get the 5.00 sony update from somewhere, and put it in same folder, with name "500.PBP".
Alternatively, you can let the installer to download for you via wifi.
- Run it, the update will be done by Sony updater. At the end when you are asked to reboot the
PSP pressing X or O, do it.
5.00 M33-4
http://rapidshare.com/files/170591048/500m33_4.zip
Copy UPDATE folder /PSP/GAME/ and run.
If you come from a version prior to 5.00 M33, put sony update as 500.PBP in same folder, or let the program download it for you using a wifi connection.
Install 1.50 Addon Only for "phat" Psp.
http://rapidshare.com/files/155242372/150k_addon500.rar
Instructions
Get the 1.50 sony update from somewhere, and rename it in 150.pbp. Put in root of Memory Stick.
Copy folder called "150k_installer" to /PSP/GAME5XX and run
*P.s.Installin 1.50 can delete LFTV and korean font there was not enough space..If you want them..read the readme.txt inside the packet.
Good Work.
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