The only safe and legal way to obtain the PS3 BIOS is directly from Sony.
Usually set to "Recompiler (LLVM)" for the best speed. Ps3 Bios For Rpcs3 --39-LINK--39-
Once you have downloaded the PS3UPDAT.PUP file, follow these steps to integrate it into the emulator: Open your application. Go to File in the top-left menu. Select Install Firmware . The only safe and legal way to obtain