Tutorial - PSP - 6.61 Infinity Hybrid CFW (Perma Patch for LME & PRO CFW) | Se7enSins Gaming Community
Release: Davee releases Project Infinity - 6.61 Permanent Patch for ME & PRO CFWs - Wololo.net
How to downgrade your PSP Firmware with Chronoswitch - Darthsternie's Firmware Archive
4 Ways to Downgrade a PSP - wikiHow
4 Ways to Upgrade Your PSP Firmware - wikiHow
How To Downgrade PSP 6.61 To 6.60! (Chronoswitch Downgrader) 2017! - YouTube
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
How to Downgrade PSP Firmware - Nerd Bacon Magazine