Purchased this PSP and it has firmware 1.0 : r/PSP
PSP: First hacks for the new Firmware 6.61 - PRO CFW & Downgrader updated! - Wololo.net
Sony Updates Its PSP Console with Firmware 6.61 – Download Links Available
PSP Custom Firmware Guide - Retro Overload
Installing Custom Firmware on a PSP : 9 Steps - Instructables
VERY EASY) Install Custom Firmware 6.60 PRO B10 PSP 1000, 2000, 3000 + DL - YouTube
4 Ways to Upgrade Your PSP Firmware - wikiHow
:max_bytes(150000):strip_icc()/psp---sony-playstation-portable-console-534194895-5ba7b4ee4cedfd0025962aa2.jpg "PSP FAQ - How Do I Update My PSP Firmware?")
PSP FAQ - How Do I Update My PSP Firmware?
PSP 6.61 Infinity PRO Custom Firmware Tutorial! (Permanent CFW) 2018! - YouTube
Install or use custom firmware on any 6.39 PSP [PSP, PSP Slim, PSP 3000, PSP Go] | Digiex
PSP update: 6.61, firmware, PlayStation
How to Update Your PSP Firmware
PSP: Custom Firmware M33 source released for popular tool's 10 year anniversary - Wololo.net
Blue PSP 3000 w/Box Bundle Complete - Modded Custom Firmware (CFW)
How do I know what Sony PSP firmware version I have? - Ask Dave Taylor
4 Ways to Upgrade Your PSP Firmware - wikiHow
How to install custom firmware on PSP - Easy 2021 (version 6.60) - YouTube
Picked up a PSP-1000 on firmware 1.0. Any reason to NOT be on 6.61? : r/PSP
Major PSP firmware update adds tethering, Media Go | TechCrunch
4 Ways to Upgrade Your PSP Firmware - wikiHow
4 Ways to Upgrade Your PSP Firmware - wikiHow
Release: Infinity 2.0 – Enables Permanent 6.6x Custom Firmware for all PSPs! - Wololo.net
PSP Mail-in Custom Firmware Mod Service all Models - Etsy
4 Ways to Upgrade Your PSP Firmware - wikiHow
PSP 6.61 Custom Firmware Install on any PSP - PSP, PSP Slim, PSP 3000, PSP Go & E1000 | Digiex
How To Update Any PSP To Official 6.61 In 2018! - YouTube
![PSP firmware v3.72 available now via Network Update [UPDATE] | Engadget](https://o.aolcdn.com/images/dar/5845cadfecd996e0372f/f9823c93bad05e4a2fd1e446bd2de5a277717fdb/aHR0cDovL3d3dy5ibG9nY2RuLmNvbS93d3cuam95c3RpcS5jb20vbWVkaWEvMjAwNy8wNC90bXBwaHB4Z3F0YWEuanBn "PSP firmware v3.72 available now via Network Update [UPDATE] | Engadget")