HOW TO INSTALL 6.39 PRO B10 B-10 ON ANY PSP MODEL - EASY - 5 MINUTES -HACK ANY PSP - YouTube
PRO Firmware PSP - GameBrew
Got this baby. System version is 6.39. Never been hacked. What should I do to hack it? 6.60 or 6.61? Confirmation button is O. Can I switch it to X with Infinity
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Bright Blog - LCFW6.60/6.20/6.35/6.39PRO-B9リリース(正式版)
Psp 1000 crack 6.60
Complete Guide to PSP Custom Firmware | ReviveToday