je cherchais un downgrade et je suis tombe sur sa :
http://pspupdates.qj.net/Newer-UMD-Games-and-Browser-come-to-1-50-PSP-s-UPDATE-/pg/49/aid/51671
vous en penssez quoi ?? ?
et je n´est pa trop compris sa:
Go to the Boot Select Menu and choose "Reboot XMB"
In the Firmware Menu and select "2.50 + 2.00"
Next go to UMD Version and make sure it is on "2.xx -> 2.00"
(optional) Overclock the PSP to "333mhz"
Finally, in UMD Mount, select "UMD Disk"
Return to the Device Hook Main Menu and click "Start"
pouver vous me repondre 