Release: Infinity 2.0 – Enables Permanent 6.6x Custom Firmware for all PSPs! - Wololo.net
PSP 2020 Definitive Guide | How to install permanent custom firmware 6.61 PRO-C | Infinity 2 | ISO - YouTube
UMD drive doesn't work after updating to 6.61 Infinity PRO CFW : r/PSP
How to Permanently Mod EVERY PSP in 2022 - Install/Update INFINITY 2.0 & 6.61 PRO-C2 Custom Firmware - YouTube
Phantasy Star Portable 2: Infinity Joins The Update Party [Update] - Siliconera
Phantasy Star Portable 2 Infinity v1.0 for PSP
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