ASUS ZenBook S UX391FA BIOS 205 May 23, 2019
... Bluetooth 5.0 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 ...