If you are entering Fastboot to unlock your bootloader, remember that this will permanently void your warranty and disable some security features like Widevine L1 (required for HD Netflix).
To open Fastboot mode on the , you must first enter the Bootloader or Recovery menu using a physical button combination or digital commands. Fastboot mode is a diagnostic and protocol-based environment used for low-level system modifications like flashing firmware or unlocking the bootloader. Method 1: Physical Button Combination how to open fastboot mode on asus rog phone 3
If your phone is rooted:
To enter Fastboot mode on your ASUS ROG Phone 3 , you can use either a physical button combination or a computer-based command if you have access to ADB tools. Method 1: Hardware Button Combination If you are entering Fastboot to unlock your