How to upgrade your PSP to firmware 6.60 - YouTube
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
4 Ways to Upgrade Your PSP Firmware - wikiHow
Release: Infinity 2.0 – Enables Permanent 6.6x Custom Firmware for all PSPs! - Wololo.net
System Update
Updating The PSP System Software to 6.60 / 6.61 - pspunk
PSP - POPSloader 6.60 PRO (PS1 on PSP) | PSX-Place
Sony Updates Its PSP Console with Firmware 6.61 – Download Links Available
PSP - How to update (and accidentally downgrade / factory reset) the firmware on DTP-T1000 (Plus download links.) | Obscure Gamers
4 Ways to Upgrade Your PSP Firmware - wikiHow
PSP go is already moded I'm getting with software 6.60 it has 30 games on it already with just a couple I like can I just download the new games with out
Sony Updates Its PSP Console with Firmware 6.61 – Download Links Available
PSP 6.60 PRO - B9, B10 CFW installation [Very Easy] (PSP 3000, 2000, 1000 and PSPGo) - YouTube
How To Upgrade to PSP 6.60 PRO-C2 Custom Firmware [2021] - YouTube
PSP 6.61 Custom Firmware Install on any PSP - PSP, PSP Slim, PSP 3000, PSP Go & E1000 | Digiex
Hack, Install Custom Firmware on Sony PSP-E1004 Street
How to downgrade your PSP Firmware with Chronoswitch - Darthsternie's Firmware Archive
How to install custom firmware on PSP - Easy 2021 (version 6.60) - YouTube
Tutorial] Install PSP 6.61 Pro-C Infinity Custom Firmware | GBAtemp.net - The Independent Video Game Community
Installing Custom Firmware on a PSP : 9 Steps - Instructables
How to Downgrade PSP Firmware - Nerd Bacon Reviews
PSP 6.61 Custom Firmware Install on any PSP - PSP, PSP Slim, PSP 3000, PSP Go & E1000 | Digiex