1st your psp needs to be on OFW 6.39[official psp firmware] then download the rar file below, in it you will see dis folders=> *CIPL_Flasher *FastRecovery *PROUPDATE *sdk Copy the FastRecovery and PROUPDATE folders onto ms0:\PSP\GAME (or ef0:\PSP\GAME for the PSP Go). Leave d oda folders & file. Den open the PROUPDATE on the psp & press "X" when asked 2 after the update the psp will restart & u re nw on 6.39 PRO-B8 CFW[custom firmware] delete the PROUPDATE after installing its nt useful again..... *Note*; This is 2 remind you dat dis is nt a permanent firmware which is more preferable incase of any future change so u can remove it by hard reset(holding the power button down 4 5secs) & if u want it back run the fastrecovery....10k u * 639PRO-B8.rar (1028.04 kB - downloaded 41 times.)