How to Downgrade PSP GO or PSP 6.39 to 6.20 Official Firmware - YouTube
Free Mobile Gaming - PSP (L)ME Firmware 6.20--2.2, 6.39-10.2, 6.60-2.2: Bug Fixes For The Ultimate CFW Software Download
4 Ways to Upgrade Your PSP Firmware - wikiHow
Release: Davee releases Project Infinity - 6.61 Permanent Patch for ME & PRO CFWs - Wololo.net
PSP 6.61 Infinity Hybrid Firmware by Davee, LME & PRO CFW Patch | PSXHAX - PSXHACKS
Installing Custom Firmware on a PSP : 9 Steps - Instructables
Release: Davee releases Project Infinity - 6.61 Permanent Patch for ME & PRO CFWs - Wololo.net
PSP Custom Firmware Guide For All Models 2023 - pspunk
Release: Infinity 2.0 – Enables Permanent 6.6x Custom Firmware for all PSPs! - Wololo.net
Pandora's Battery (unbrick Your PSP) | Hackaday
Release: Infinity 2.0 – Enables Permanent 6.6x Custom Firmware for all PSPs! - Wololo.net
How to Mod Any PSP on Firmware 6.61 or Lower! - Infinity 2.0 Permanent CFW - YouTube
Release: Infinity 2.0 – Enables Permanent 6.6x Custom Firmware for all PSPs! - Wololo.net
Question....just bought this PSP 3000, and I'm wondering does anyone know how to hack it or downgrade it without bricking it? On one of my old memory cards, I had emulators on
How To Update Your PSP TO 6.61 Official Firmware in 2021 - YouTube
Despertar del Cementerio! – Unbricking PSP 3000 & the legendary 5.00 M33 CFW via Pandora! - YouTube