PSP 2001 #4. Version 4.05 (will do the 6.00 upgrade and then to 6.61) and it needs TLC along with a display swap (has the same issue as my first one) with
Tutorial : install 6.61 Pro c2 cfw - YouTube
PSP 2020 Definitive Guide | How to install permanent custom firmware 6.61 PRO-C | Infinity 2 | ISO - YouTube
PSP: First hacks for the new Firmware 6.61 - PRO CFW & Downgrader updated! - Wololo.net
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
HOW TO GET FREE GAMES ON ALL PSP's VERSION 6.61 (WORKING 2020) - YouTube
How to Run Downloaded Games on a PSP (with Pictures) - wikiHow
Sony Updates Its PSP Console with Firmware 6.61 – Download Links Available
Special Edition. Modded Sony Monster Hunter PSP 3000. 6.61 CFW - Etsy
PSP update: 6.61, firmware, PlayStation
Risen from the dead: PSP Firmware 6.61 is now available! - Wololo.net
Can someone help me update my psp 1001 from 2.80 to 6.61 : r/PSP