GUIDE] How to install CFW on your PSP : r/psphacks
Installing Custom Firmware on a PSP : 9 Steps - Instructables
4 Ways to Upgrade Your PSP Firmware - 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
Updating The PSP System Software to 6.60 / 6.61 - pspunk
Free Mobile Gaming - PSP (L)ME Firmware 6.20--2.1, 6.39-10.1, 6.60-2.1: Adds NoDRM To ME Software Download
PSP - POPSloader 6.60 PRO (PS1 on PSP) | PSX-Place
PSP 6.61 Infinity Hybrid Firmware by Davee, LME & PRO CFW Patch | PSXHAX - PSXHACKS
PSP Custom Firmware 6.00-6.61
How To Update Psp System Software 6.60?
Release: Infinity 2.0 – Enables Permanent 6.6x Custom Firmware for all PSPs! - Wololo.net
Release: Infinity 2.0 – Enables Permanent 6.6x Custom Firmware for all PSPs! - Wololo.net
Playstation Portable (PSP) softmod - Dreamcast.nu
Updating The PSP System Software to 6.60 / 6.61 - pspunk
Sony Updates Its PSP Console with Firmware 6.61 – Download Links Available
PSP 6.61 Custom Firmware Install on any PSP - PSP, PSP Slim, PSP 3000, PSP Go & E1000 | Digiex
Sony Updates Its PSP Console with Firmware 6.61 – Download Links Available