PSP Custom Firmwares 6.20 ME-1.9 and 6.20 LME-1.9 (with perma patch) are now available! - Wololo.net
PSP 1000 - (6.60 Pro C2 Firmware) £24.00 - PicClick UK
Infinity 2.0 released for the PSP, allows for persistent CFW on all models of PSPs on 6.60 and 6.61 | Page 2 | GBAtemp.net - The Independent Video Game Community