In the Command Prompt window, type the following command to check if your device is connected properly: adb devices
Scroll down to locate and toggle the switch to turn it on. Step 2: Set Up Your Computer
If you are trying to resolve a specific issue or error while putting your phone into Fastboot Mode, let me know. I can provide the you need or guide you through unlocking the bootloader for custom development. Share public link
How to Open Fastboot Mode on Asus ROG Phone 3 Fastboot mode is a powerful protocol for Android devices. It allows you to modify the system firmware, flash custom recoveries like TWRP, unlock the bootloader, or unbrick a device. If you own an Asus ROG Phone 3, entering this mode is the first step toward advanced customization or system recovery.
ASUS includes a built-in software shortcut for users who have developer options enabled. Go to . Toggle on the Advanced Restart option. how to open fastboot mode on asus rog phone 3
In the Command Prompt window, type the following command and press Enter: adb devices Use code with caution.
Always connect your USB cable to the side charging port, not the bottom port, when connecting to a PC. Method 1: The Hardware Button Combination (Easiest)
This method is the most reliable for users who have a functioning phone and a computer. It requires a few minutes of initial setup but is the preferred method for developers and power users.
Are you trying to enter Fastboot to or flash a custom ROM ? In the Command Prompt window, type the following
Ensure your ROG Phone 3 has at least 50% battery to prevent it from turning off during the process [1].
If you see your device's serial number listed, type the final command to reboot into Fastboot Mode: adb reboot bootloader
: 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
In the folder's address bar at the top of the window, type cmd (on Windows) and hit to open a Command Prompt window directly in that directory. (On Mac or Linux, open the Terminal and navigate to the folder using the cd command). Share public link How to Open Fastboot Mode
Press and hold the Volume Up button and the Power button simultaneously.
Use these to scroll through the menu options at the top of the screen. Power Button: Press this to select an option. Scroll until the screen displays START or REBOOT .
Highlight and press the Power button to select it.
If your phone is currently turned on and functional, you can boot it into Fastboot mode directly from your computer using Android Debug Bridge (ADB) commands. Step 1: Enable Developer Options and USB Debugging Open on your ROG Phone 3.
Release the buttons. You will see a text-based menu. This is the Bootloader/Fastboot interface. You can navigate this menu using the and select options using the Power button . Method 2: Open Fastboot Mode Using ADB Commands
: Use the Volume Up/Down keys to move through menu items. Selection : Press the Power button to confirm your choice.