Lumines PSP DOWNGRADE 3.50 auf 1.50 - Ungepatchte Version - DivonCza-Shop ModchipScout
How can I safely downgrade my Sony PSP firmware? - Ask Dave Taylor
forums.ps2dev.org :: View topic - PSP Multi Firmware Project
How to Downgrade PSP Firmware - Nerd Bacon Magazine
DOWNGRADE ALL PSP MODELS FROM 6.60 6.38 6.39 6.35 6.20 TO 5.03 6.20 6.35 6.39 *NO PANDORA* - YouTube
After having problems getting the system to power on consistently, I finally got it to downgrade back to OFW and now it turns fine. Gonna try a fresh install of infinity tonight
Flash PSP PARIS
How To Downgrade PSP 6.61 To 6.60! (Chronoswitch Downgrader) 2017! - YouTube