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
How to install Custom Firmware Pro-B10 on Official Firmwares 6.20, 6.35, 6.39, 6.60 for any PSP!! - YouTube