Originally posted by ArchzNasty
how do i install a .rat file on PS3 R3BUG 4.70.1 because ReactPSN doesn't work I've been trying all day can't do it says unsupported firm ware
Create a folder on the ROOT of your USB called exdata and inside that folder put your .rap files, then go into PSNPatch and you'll see on the right side of the screen how to activate them but you have to make sure you've activated your account under account settings or it won't work.