How To Open Fastboot Mode On Asus Rog Phone 3 Patched May 2026

To open Fastboot Mode on the ASUS ROG Phone 3, you can use physical button combinations or ADB commands if your device is connected to a computer. Method 1: Physical Button Combination

• Incorrect flashing can brick your ASUS ROG Phone 3 permanently.
• Only flash firmware or images specifically designed for the ROG Phone 3 (ZS661KS).
• Never pull the USB cable while flashing a critical partition (like boot or system).

1. Connect your ROG Phone 3 to your PC via USB.
2. Open a command prompt / terminal on your PC in the ADB folder.
3. Type the following command and press Enter:

   adb reboot bootloader
   

4. Your phone will instantly reboot into Fastboot Mode.

option. Wait for the phone to vibrate and shut down completely. Access the Bootloader : Once fully powered off, press and hold the Power button Volume Up button simultaneously. Release Buttons : Release both buttons as soon as the Bootloader menu how to open fastboot mode on asus rog phone 3