Keep the phone connected to the PC via the side port while in Fastboot mode. In the same Command Prompt window on your PC, type: fastboot devices Use code with caution.
Once you are inside the Fastboot screen, the touchscreen interface will not function. You must use the physical buttons to navigate:
Power off your ROG Phone 3 completely. Wait 5–10 seconds to ensure it’s fully shut down. how to open fastboot mode on asus rog phone 3
, this native bootloader interface handles Fastboot commands directly. Method 2: The ADB Command Tool (Using a PC)
: Open a terminal or command prompt on your PC and type: adb reboot bootloader The device will automatically restart into the bootloader, where you can then select Fastboot . Navigating and Exiting Keep the phone connected to the PC via
If your phone is rooted:
This method requires the phone to be turned on and connected to a PC. It is useful if the physical buttons are unresponsive or for developers. You must use the physical buttons to navigate:
Scroll down and tap > About phone > Software information .