ASUS Laptop X556UAK BIOS 311 Jul 14, 2020
... V4.0 (Optional) Changes:- Optimize system performanceAbout OS Independent BIOS:Although installing a newer BIOS version might add new features, update various components, ... the most commonly used method to flash the BIOS is by creating a bootable USB or CD ... or power user, it's recommended that the new BIOS be applied in a steady power environment such ...