The BIOS bin file for the Dell Inspiron 15 3000 series has the following specifications:
serves as the core firmware image required for low-level motherboard repairs, such as flashing a corrupted chip with an external programmer or performing an emergency recovery. Unlike standard .exe update files used within Windows, a .bin (or .rcv ) file contains the raw binary code that tells your laptop's hardware how to boot. Why You Might Need a BIOS Bin File