If a flash fails, the motherboard may become unbootable. For recovery:
If you encounter issues during the installation process, here are some troubleshooting tips: phoenixbios 40 release 61 driver download install
A failed BIOS update (power outage, wrong file, interrupted flash) will likely turn your motherboard into an expensive paperweight. Proceed at your own risk. If a flash fails, the motherboard may become unbootable