The new pro-b9 has been ported on the official firmware 6.60!! with this custom firmware, you don't need to downgrade your psp! now you can play your iso and cso games against! (+new+) 6.60 pro. Cfw 6.60 pro-b9. filename 660prob_b9.rar date posted aug 24, 2011 categories psp, homebrew applications: tags psp: downloads 207858 description: download file. download file.. In next page click regular or free download and wait certain amount of time (usually around 30 seconds) until download button will appead. 3. click it and that's it, you're done amigo! cfw 6.60 pro b9 download will begin..
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