How To Update Any PSP To Official 6.61 In 2018! - YouTube
4 Ways to Upgrade Your PSP Firmware - wikiHow
PSP Custom Firmware 6.00-6.61
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
Tutorial : install 6.61 Pro c2 cfw - YouTube
Complete Guide to PSP Custom Firmware | ReviveToday
Downloaded CFW 6.61 PRO-C2 got this message : r/PSP
Upgrading PSP OFW 3.90 to 6.61 without a battery : r/PSP
PSP 6.61 Infinity Hybrid Firmware by Davee, LME & PRO CFW Patch | PSXHAX - PSXHACKS
PSP: First hacks for the new Firmware 6.61 - PRO CFW & Downgrader updated! - Wololo.net
Davee's Infinity CFW - Permanent 6.61 CFW on All 3000 & Go Models! | GBAtemp.net - The Independent Video Game Community
How To Update Your PSP TO 6.61 Official Firmware in 2021 - YouTube
So I downloaded the 6.61 update and when I try to install it it displays this error and I don't have a custom firmware so If anyone know how to solve this
Complete Guide to PSP Custom Firmware | ReviveToday
4 Ways to Upgrade Your PSP Firmware - wikiHow
PSP 6.61 Infinity Hybrid Firmware by Davee, LME & PRO CFW Patch | PSXHAX - PSXHACKS
Special Edition. Modded Sony Final Fantasy PSP 3000. 6.61 CFW - Etsy