Alternatives and recommendations
However, projects like have reduced friction. As of V1.1.7, if you own a disc drive and a PS3 game disc, the emulator can extract certain boot files directly from the disc – partially bypassing the need for a full BIOS dump. But for 95% of games, you still need the firmware.
This often means the firmware wasn't installed correctly. Try re-installing the .PUP file via the File menu.