Got this baby. System version is 6.39. Never been hacked. What should I do to hack it? 6.60 or 6.61? Confirmation button is O. Can I switch it to X with Infinity
Picked up a PSP-1000 on firmware 1.0. Any reason to NOT be on 6.61? : r/PSP
PSP update: 6.61, firmware, PlayStation
How to Download PSP Games and Transfer them to Your PSP
PSP: Custom Firmwares for Firmware 6.61 possible - Currently being updated! - Wololo.net
PSP Custom Firmware Guide For All Models 2022 - pspunk
Got my PSP GO Today :) it has custom firmware 6.61 : r/PSP
Why do so many people prefer 6.60>6.61? : r/PSP
Sony PSP Go Console Black Version 6.61 + Memory + 5 Games + USB Charger | eBay
How to install a permanent CFW on any PSP without hardmod. | GBAtemp.net - The Independent Video Game Community
Special Edition. Modded Sony Final Fantasy PSP 3000. 6.61 CFW - Etsy
Risen from the dead: PSP Firmware 6.61 is now available! - Wololo.net
4 Ways to Upgrade Your PSP Firmware - wikiHow
Updating The PSP System Software to 6.60 / 6.61 - pspunk
How to Mod Any PSP on Firmware 6.61 or Lower! - Infinity 2.0 Permanent CFW - YouTube
How To Update Any PSP To Official 6.61 In 2018! - YouTube