PSP Upgrader/Downgrader is an easy to use program to make upgrading, downgrading, and installing a custom firmware very easy.
Created by Bob Joe (me )

Please post if you find any problems or have any suggestions.

Download:
Full: http://www.gigasize.com/get.php/-109969 … r_Full.exe (1.10)
Lite: http://www.blacktooth.googlepages.com/P … erLite.exe (1.11)
mirror for the full version: http://www.megaupload.com/?d=XRYHXO4D (1.10)
mirror for the lite version: http://www.wikiupload.com/download_page.php?id=195062 (1.11)

The lite version doesn't have any official sony updates, but it can download them automatically.

Changelog:
1.11
Added 3.40 LE-3
Added automatically check for updates in options

1.10
Added a status bar
Added ability to download missing files
Added Tools>Download Firmwares
Added 3.40 LE
Fixed the options window glitch
Added free space checking
Added warning message if Memory Stick is bigger than 4 gb.

1.02
Added M33 Update 2

1.01
Added M33 as a current firmware
Added ability to uninstall a custom firmware

1.00
Initial Release

Last edited by bob joe (2007-09-11 19:18:49)