My friend attempted to jailbreak my ps3 at firmware 4.21 it worked but some how my ps3 updated to 4.23 i still have demo mode on there i can unlock demo but it seems to still be there i cant download netflix cant go on mw3 or blackops only mw2 i tryed putting it in safe mode and putting the OFW 4.21 with a usb but it comes up with no applicable data an i had the format PS3-UPDATE- butnothing works can anybody help me i just want my ps3 back to normal