Overdreven offset nauwkeurig psp downgrade 6.61 to 6.60 ondersteuning Dollar tevredenheid
How To] Downgrade Firmware on PSP Fat/Slim From 6.60 to 6.XX In Less Than 7 Minutes - YouTube
Got this baby. System version is 6.39. Never been hacked. What should I do to hack it? 6.60 or 6.61? Confirmation button is O. Can I switch it to X with Infinity
PSP: First hacks for the new Firmware 6.61 - PRO CFW & Downgrader updated! - Wololo.net
How to downgrade your PSP Firmware with Chronoswitch - Darthsternie's Firmware Archive