Go back to and enable USB Debugging . Step 2: Run the Command
fastboot reboot
What (Windows, macOS, Linux) is your computer running? how to open fastboot mode on asus rog phone 3
Are you planning to or install a custom recovery (like TWRP) ? Are you trying to root using Magisk ?
: Once in this menu, use the Volume keys to scroll through options and the Power button to confirm your selection (e.g., "Enter Fastboot" or "Recovery Mode"). Method 2: Using ADB Commands (Safest for PC Users) Go back to and enable USB Debugging
Do you need assistance or flashing a custom ROM/recovery ?
If your physical buttons are faulty or you are already working with a computer, use the tool. Are you trying to root using Magisk
Step-by-step guide to entering Fastboot Mode on the ASUS ROG Phone 3 (models ZS661KS / Strix).
To open Fastboot mode on your ASUS ROG Phone 3:
Once in the recovery menu, use the volume keys to select and confirm with the Power button . Method 2: Using ADB Commands (via PC)
Download and install the official ASUS USB drivers and Google OEM drivers on your computer. Method 1: Open Fastboot Mode Using Hardware Buttons