Hoping to be pointed in the right direction I have a cechh01 or cechg01 fast ps3 on rebug 4.21 for whatever reason the blue ray drive doesn't work i would like to to get the system back to original 3.55 to run 3.55 blue ray remarry files/ restore blursay play back drm files and switch back to custom firmware I can't seem to find a good tutorial alot of thing were extremely vague from the friendly google search engine and you tube. thanks for taking a look
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