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
Need help updating my 6.20-PRO B9 PSP : r/PSP
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Mod. Sony PSP con Firmware 6.60 PRO-B9 - Il blog di ide@informatica
PSP POPS for 6.60PRO-B9 Released - MateoGodlike
PSP 6.60 PRO - B9, B10 CFW installation [Very Easy] (PSP 3000, 2000, 1000 and PSPGo) - YouTube