Learn how to unlock bootloader on Google Pixel 4 and Google Pixel 4 XL. Unlocking bootloader on Google Pixel 4 will enable you to root your Google Pixel 4 and install custom ROM on it.

Steps to Unlock Bootloader on Google Pixel 4 / Pixel 4 XL

1. Download and install Pixel 4 USB Drivers:
   • Google Pixel 4 USB Driver
   • Google Pixel 4 XL USB Driver
2. Download and install ADB and Fastboot on your computer using this tool: 15 Seconds ADB and Fastboot Installer
3. Enable Developer Options on your Pixel 4: Go to Settings > Software Information > Tap on Build number continuously till you unlock developer mode.
4. Enable USB Debugging on your Pixel 4: Go to Settings > Developer options > Enable USB debugging.
5. Connect your device to the computer. Go to the folder where you have installed ADB and Fastboot on your computer (mostly C:adb) and open a command window from here:
   Method 1: Go to the ADB and Fastboot folder. Hold down Shift Key. Right Click > Select ‘Open command window here’. [OR]
   Method 2: Go to the ADB and Fastboot folder. Type ‘cmd‘ in the address bar.
6. In the command prompt, enter the following command:

   adb reboot bootloader

   Note: If this is your first time connecting your device to your computer after USB Debugging is enabled, you might want to authorize your computer on your phone. You will get a pop up on your phone > Simply Allow it.

7. Once you are in fastboot mode, execute the following command:

   fastboot flashing unlock

   After executing the above command, your phone should display a prompt. Press the Power Button to confirm!

After the above step, your device data will be wiped and your Pixel 4 bootloader will be unlocked. If your device does not reboot automatically, then execute the following command in the command prompt:

adb reboot

This is the easiest and official way to unlock Pixel 4 bootloader. Have any questions? Drop them below!