How To Open Fastboot Mode On Asus | Rog Phone 3 //top\\
Отмена 

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

In the next menu, navigate to and select using the same buttons. Method 2: ADB Command (Computer Required)

Keep holding them until the ASUS logo appears on the screen.

: Press and hold the Power button and select Power Off to shut down the device completely.