The ASUS ZenBook 14 UX431FA Intel Serial IO UART Driver being version 30.100.1727.1 for Windows 10 64-bit which was released in May 2019 was the latest UART driver for this ZenBook. The ZenBook 14 UX431FA uses the Whiskey lake hardware from Intel. This is the same as the UART driver for the ASUS VivoBook 15 X512FA which uses the same hardware. There are other products which also use the Whiskey lake hardware such as the ASUS VivoBook 15 F512DA, VivoBook Pro 15 N580GD as well as the VivoBook 14 F412DA UART driver.
ASUS ZenBook 14 UX431FA UART Driver
The hardware used in this UART is the same as used in others as they all use the same hardware which in this case is the Whiskey Lake design for the UART’s from Intel. Asus tends to reuse the same hardware in their computers so the computers might be different however their hardware inside is the same. Right-Click on the inf file to install or click on the install file to get the UART to be recognised by the computers software. This is a Windows 10 64bit driver.