Updating psp to 5 00 m33 adatingnest com
Enabling this homebrew makes the PSP an open platform.
If your PSP is compatible, go ahead and download 6.20 OFW and the Downgrader:6.20 OFW PSP Go: Then go into ms0:/PSP/GAME and make a new folder called UPDATE (Capital Letters) and extract the EBOOT. Safely unplug your PSP from the computer and start the Downgrader.If not then there might be some internal error, which prevents your PSP from up-/downgrading.Downgrading an 09g device to 6.20 is a stupid thing, by the way. If i try to 6.20 it tells me the file is corrupted.This downgrader is compatible with PSPs up to Model 9g (PSP Go included).
To check what PSP model you have, download PSPIdent 0.75 here: Due to this (and probably some other reasons as well), Sony has been trying to repress homebrew as much as possible.