Infinity 2.0 released for the PSP, allows for persistent CFW on all models of PSPs on 6.60 and 6.61 | Page 3 | GBAtemp.net - The Independent Video Game Community
PSP 6.60 PRO - B9, B10 CFW installation [Very Easy] (PSP 3000, 2000, 1000 and PSPGo) - YouTube
CFW Pro B9 is out, adds 6.60 compatibility - Wololo.net
How to Hack/Install 6.60PRO-B9/PRO-B10 Permanent & Semi-Hack (PSP 3000, 2000, 1000 & PSPGo!) 720i HD - YouTube