If you're having trouble getting a specific emulator to recognize the file, tell me: are you using (RetroArch, DuckStation, PCSX-Rearmed)? operating system are you on (Windows, Android, Linux, Steam Deck)? Are you seeing a specific error message (e.g., "BIOS not found")?
If the emulator still reports a missing BIOS, verify that your file is correct by checking its MD5 checksum Correct MD5 for scph5501.bin 924e392ed05558ffdb115408c263dccf Quick Fixes for Common Issues "BIOS not found" error: If you have the file but still get this error, check the Core Information psx scph5501.bin