How To Update Any PSP To Official 6.61 In 2018! - YouTube
PSP: Custom Firmwares for Firmware 6.61 possible - Currently being updated! - Wololo.net
Infinity 2.0 released for the PSP, allows for persistent CFW on all models of PSPs on 6.60 and 6.61 | GBAtemp.net - The Independent Video Game Community
Psp 6.61 online hack. So im trying to cfw 6.61 with psp go with no usb and i got this can anyone help? I can upload file. : r/PSP
PSP 3000 6.61 Infinity "permapatch" - YouTube
4 Ways to Upgrade Your PSP Firmware - wikiHow
4 Ways to Upgrade Your PSP Firmware - wikiHow
How to Permanently Mod EVERY PSP in 2022 - Install/Update INFINITY 2.0 & 6.61 PRO-C2 Custom Firmware - YouTube