How To Unlock Bootloader on Any Android Device

In the journey of flashing a custom ROM on any Android device, unlocking the Bootloader is the prime step that you need to do. But, some people do not find it easier as they have to perform a couple of essential steps to unlock the Bootloader depending upon their device. So, here in this article, what we will explain to you, will work for any Android device. So, now you don’t need to worry if you are unable to unlock the Bootloader.

But, did you any what the Bootloader is and how it helps while flashing the custom ROM on your smartphone? Most probably, you don’t know that’s why you are here. Well, slowly and steadily, you’ll get all your answers further in this guide. So, make sure to stay tuned with this guide all the way till the end. So, now without playing with words, let’s get started with our complete guide on how to unlock the Bootloader on your Android devices.

How To Unlock Bootloader on Any Android Device

How To Unlock Bootloader on Any Android Device

Bootloader, also known as the bootstrap loader or boot program, is specially made software that loads into the working memory of a device after start-up. So, how Bootloader helps us while installing a custom ROM in our smartphone? A bootloader is responsible for the bringing up of kernel on a device. It also guards your device while taking the responsibility of initializing the Trusted Execution environment by binding the roots of trust.

So, that’s about the Bootloader and how Bootloader is important for our device while installing the custom ROM. Now, let’s come back to our main highlight and shed some light on it.

Warning: The method we describe below is a generic type method, and it may not be guaranteed to work on every device. So, if it is not working on your device, then let us know in the comment section. We will surely help you with another guide for that particular smartphone.

#1. Backup

This is the first and foremost step that you need to take before performing anything that we explain further in this guide. So, you have to make sure that you make a restore point for your device so that you can use that to syncing all your data if anything happens wrong. For taking backup, you just need your original USB cable.

Then connect it to your PC and save all your important data such as pictures, documents, audio, etc. Meanwhile, you can also backup your data in Google Drive or One Drive. Once you are done with the backup, follow the next step.

#2. Install the Android SDK and Your Phone’s Drivers

After making a restore point for your data, the first thing is to install the Android SDK along with your phone’s driver. If you are thinking about where you’ll get your Android SDK zip file, don’t worry! Click on the link to download it directly.

However, inside this link, you need to locate the SDK Tools Only and download the zip file for your device. Now for your phone’s driver, you will get it from your manufacturer’s website easily. After that, unzip them on your PC as per your convenience location.

Then, reboot your PC, turn on your phone, and connect it to your PC using an original USB cable. Now, one the Android SDK folder and then simultaneously press the Shift and right-click on an empty screen. Then, select the option Open command prompt here, and once the command prompt window open, run the command:

adb devices

Now, keep in mind that it means it successfully recognized your phone if it shows a serial number after this command. And unluckily, if it is not showing any serial number, you have to perform the above procedure as most probably missed something carefully.

#3. Enable USB Debugging

Since the USB debugging setting is found under the developer’s option, you’ll not be allowed to perform this if you are not a developer. So, yes, for this, you first need to unlock the developer mode. To do this, head towards your phone’s about section, and on your kernel build number, tap about seven-time unless a message pop-ups and telling you that you are now a developer.

After that, come back to the settings menu and navigate through it to find out the developer’s option. Once you get this, click on it, and under the developer option, locate the setting USB debugging and navigate the button located next to the USB debugging. Also, do the same for OEM unlocking. It may ask for your device pin or password. Fill it to give it permission.

#4. Unlock With Fastboot

Now, your device is ready to unlock the Bootloader, so follow the steps carefully to unlock the Bootloader successfully:

  • First of all, you require to plug your smartphone into your Windows PC using your device’s original USB cable.
  • In the Command Prompt, use this command to connect your phone.
adb devices

By doing this, a message will be requesting access on your phone. So, you need to checkmark the box to allow the connection and hit the Ok button to confirm your action.

  • Now, after that, use this command:
adb reboot bootloader
  • Then, wait for some time until your phone gets rebooted. However, once it gets rebooted, you are not allowed to unlock the Bootloader using fastboot method.
  • Now, if you have a newer device, use this code:
fastboot flashing unlock

Whereas if you have an older device, use this command:

fastboot oem unlock
  • Now, if it asks for confirmation, then hit the Ok button.
  • After that, a configuration message will pop up that says you have unlocked your Bootloader successfully. Then, you need to reboot your phone using the fastboot method. Use the code:
fastboot reboot
  • Once your smartphone rebooted successfully, it will show a warning message that says your Bootloader is unlocked now and your device isn’t secure. So, continue booting your device, and now your device is ready to flash custom ROM, whichever you want.

Sum Up

So, that’s how you unlock your smartphone’s Bootloader. We hope you are successfully able to do so. Now, if you have any queries related to unlocking Bootloader, let us know in the comment section. Also, now the next step is to install the TWRP recovery on your smartphone. So, if you don’t know how to do it, go through the link where we provide all the related information.


Marcos Hamilton
  • Marcos Hamilton
  • Macros is a techno freak who loves new gadgets and always keen to know about the latest games and everything happening in and around the technology world. He has a massive interest in Android and streaming devices.

Leave a Comment

Your email address will not be published. Required fields are marked *