Release: Infinity 2.0 – Enables Permanent 6.6x Custom Firmware for all PSPs! - Wololo.net
PSP: Custom Firmwares for Firmware 6.61 possible - Currently being updated! - Wololo.net
Davee's Infinity CFW - Permanent 6.61 CFW on All 3000 & Go Models! | GBAtemp.net - The Independent Video Game Community
Custom Firmware 6.61 PRO C2: Descargar e Instalar 【2023】
Sony PSP CFW 6.61 on PSP-1000 and PSP-3000 - YouTube
Consulta] Actualizando / Instalando Firmware 6.61 Infinity u otras posibilidades. | PSP.SceneBeta.com
4 formas de actualizar el PSP - wikiHow
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 Custom Firmware Install on any PSP - PSP, PSP Slim, PSP 3000, PSP Go & E1000 | Page 8 | Digiex