How to Unlock Bootloader of Google Pixel 3a – Easy Method

Google Pixel 3a is one of the best phones released by Google. It has a stunning design and is packed with awesome features.

It doesn’t matter how awesome the device is; you will get bored, or you will get the temptation to upgrade to the latest android.

You need an Unlocked Bootloader to root Google Pixel 3a or install custom ROMs.

If you don’t unlock your phone’s bootloader, it will be impossible to root it and install custom ROMs or any other mods. So, you might be wondering, is there any easy way to do it? Well Yes.

If you want to install a custom ROM on your phone because its slow or due to any other issue, we have covered Common Problems and Solutions of Google Pixel 3a go through it once, most probabbly we have shared the solution to your Google Pixel 3a’s issue.

In this article, we will show you how to unlock the bootloader of the Google Pixel 3a.

With the help of this method, you can Root install custom ROMs, kernels, and other mods on your device.

This method is very easy to follow and does not require any technical knowledge.

Sounds good? Let’s dive in.

What is a bootloader?

A bootloader is the first software loaded on your device. After that, the manufacturer usually locks it to ensure that no one else can modify the system without permission.

Bootloaders are responsible for loading the operating system kernel (OS) into memory. If there is an error or the OS is corrupt, a bootloader can help you restore the system to a known good state.

When we say "unlock the bootloader," we mean to unlock the security that prevents us from installing mods in it.

This is done by replacing the existing bootloader with a custom one. This means that your phone will boot any file we want it to, not just the files that are already on your device.

The disadvantage of Unlocking Bootloader

As mentioned earlier, the bootloader is not accessible by the user and thus cannot be tampered with. The bootloader prevents tampering and prevents users from installing third-party apps, such as rooted apps.

For example, if your phone’s bootloader is locked and you forcefully install a custom ROM, your phone will not startup. This will happen because the custom ROM has overridden the boot sequence of the phone.

Not to forget that an unlocked bootloader is a security issue.

Unlocking the bootloader is a good idea only if you want to install custom ROMs, kernels, or other mods on your device.


Unlocking the bootloader of Google Pixel 3a is very easy as Google itself has developed the method.

However, there are a few things you should be aware of before unlocking the bootloader of your Google Pixel 3a.

  • After the bootloader is unlocked, your phone will be wiped clean. You will lose all your phones data such as Contacts, Pictures, SMS, Call logs, and more. Make sure to backup everything before you proceed.
  • If you unlock your device’s bootloader, you will lose your warranty, and you will be responsible if things go wrong. And you will also have to take care of the issues you might encounter after doing it.

In any case, you should take the necessary precautions to avoid any such issues.

First, make sure that you have a backup of all your important files.

If you follow this process, you will unlock your device properly.


  1. USB Cable – To connect your phone to the computer.
  2. Computer – To run Fastboot.
  3. Platform Tools – It contains adb drivers and fastboot.

Please download Platforms Tools from here.

How to Unlock Bootloader of Google Pixel 3a?

Unlocking Bootloader is typically a long process, but don't worry; This step-by-step guide aims to make it quick and easy for you. By following the official, well-researched method outlined in this guide, you will be able to successfully unlock the bootloader on your Google Pixel 3a.

We will use fastboot to unlock your Google Pixel 3a\’s bootloader. As I mentioned above in the prerequisites, you will need a computer. Let’s get started.

Step 1: Enable OEM unlocking and USB debugging

  1. Enable Developer Options – Head over to the Settings App of your phone, scroll down and Tap on “About phone,” and then Tap on “Build number” until you see the “You are now a Developer” popup.
  2. Now Open Settings > System and Tap on “Advanced,” and then Tap on Developer Options.
  3. In Developer Options, enable “OEM unlocking” and “USB debugging.”

Step 2:Boot into Fastboot mode and connect your phone Computer

  1. Turn your phone off.
  2. Long press “Volume down” + “Power button” of your Google Pixel 3a simultaneously.
  3. Connect your phone to a PC with a USB Cable.
  4. Unzip Platform tools in a folder and then open the folder you unzipped.
  5. Type “CMD” in the address bar and then press enter, adb command window will now open.launching fastboot and adb platform tools

Step 3: Unlocking Google Pixel 3a’s bootloader

  1. Open Fastboot and typefastboot devicesand hit enter; if you don’t see your device, make sure your device is in the fastboot mode, and the USB cable is connected correctly.
    fastboot devices
    running fastboot devices command
  2. Once you see your device, typefastboot oem unlock
    fastboot unlock
    Unlocking Google Pixel 3a bootloader with fastboot
  3. Once the unlock command is processed, you will see a warning message on your Google Pixel 3a; use the volume keys to navigate and then press the power key to confirm your selection.

Your Google Pixel 3a will reboot in recovery mode and perform a factory reset.

After your device boots up, enable developer options and then open developer options if you will see “OEM unlocking” grayed out. This confirms a successful Bootloader Unlocking.

Now your device is unlocked, you can Root your Google Pixel 3a and install any mods, ROMs, Kernels, etc.

Frequently Asked Questions

Can you unlock Google Pixel 3a bootloader?

Yes, the Google Pixel 3a bootloader can be unlocked; we have created a detailed guide that will help you unlock your Google Pixel 3a bootloader.

Can I lock an unlocked Google Pixel 3a bootloader?

Yes, you can lock the bootloader again. Locking the bootloader again also restores the warranty from Google.

Can I unlock the Google Pixel 3a bootloader without losing data?

Earlier it was possible to unlock a bootloader without losing data with a trick, but the trick has been patched and does not work anymore, so now there is no way to do so.

Can I unlock Google Pixel 3a bootloader without PC?

No, the Google Pixel 3a bootloader requires adb tools, which run on Windows and Mac; hence it is impossible to unlock the bootloader without a PC.


We have now come to the end of this article. I hope you liked this article and learned a few things.

If you have any questions or want to share any other information, you can comment below. You can also ask any questions that you want to know about the device in the comments section. We will be glad to answer your questions.

Do you know any other method to unlock the bootloader of Google Pixel 3a? If so, share it with us in the comments section.

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