calcium Architectuur bereik psp version 6.61 Welvarend Stof Hinder
PSP: First hacks for the new Firmware 6.61 - PRO CFW & Downgrader updated! - Wololo.net
How To Update Any PSP To Official 6.61 In 2018! - YouTube
PSP Custom Firmware Guide For All Models 2022 - pspunk
PSP: Custom Firmwares for Firmware 6.61 possible - Currently being updated! - Wololo.net
Risen from the dead: PSP Firmware 6.61 is now available! - Wololo.net
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
Davee's 6.61 Infinity project update - PSP Go
Updating The PSP System Software to 6.60 / 6.61 - pspunk