Discussion in 'Sony Handhelds' started by ewodge, Feb 19, 2008.
hi guys, can you help me on how to downgrade my PSP from version 3.90 to 3.71 or lower. thanks
pandora's battery and magic memory stick is the ONLY way to downgrade 3.51+ firmwares.
use THIS guide to downgrade/install custom firmware.
Separate names with a comma.