: Power off the phone and enter Fastboot Mode (usually by holding Power + Volume Up).

If you are looking for this tool to update a , you should instead use ASUS EZ Flash 3 , which is accessed directly within the BIOS settings (pressing F2 or Del at startup).

: Choose your specific device model from the drop-down menu. Prepare & Start

ASUS Flash Tool v10011 is compatible with a majority of the ASUS mobile lineup, including but not limited to:

Press and hold the button simultaneously.