How To Downgrade PSP 6.61 To 6.60! (Chronoswitch Downgrader) 2017! - YouTube
Mod a PSP | Super Easy | 6.60 PRO-C - YouTube
PlayStation Portable (PSP) 6.61 firmware download
Easy Method - PSP How to install PSP 6.61 Pro C2 and if not showing games list on your psp but first download the file�- http://youtu.be/w4xFduw8cdw 6.61 Pro C2 Download- http://www.mediafire.com/?zd268rwbc5sui2e/ DarkSpeed