We’ll go through all of the processes for unlocking the bootloader on your Android device in this post. Furthermore, certain OEMs, such as Xiaomi, Sony, HTC, and Samsung, take a different approach to this procedure. As a result, we’ve included a separate section at the conclusion of this book to address them.
What is a Bootloader, and do I need to unlock it? maybe the first question that comes to mind. In summary, if you’re not a techie who enjoys tinkering with their device’s software, you shouldn’t be unlocking the bootloader. Although having an unlocked bootloader has several advantages, it also has a number of drawbacks. In a little time, we’ll look at both sides of the coin. But first, a little background on the bootloader.
What exactly is a bootloader?
“A bootloader is a vendor-proprietary image responsible for bringing up the kernel on a device,” according to Google. It protects the device’s state and is in charge of setting up the Trusted Execution Environment (TEE) and binding the TEE’s root of trust.” Confused? I’m the same way! Let’s put all of this aside for the time being. A Bootloader, to put it another way, is software that runs every time your phone turns on (start). It provides instructions that inform the device which software to load at when time. It also determines whether your smartphone will boot into ‘Android OS’ or recovery mode.’
Most OEMs provide their smartphones with a locked bootloader by default. The reason for their involvement is straightforward: they only want you to use the operating system that they provide with their gadget. Because of security considerations, this is the case. They do, however, provide a window of opportunity for techies who want to fiddle with their device’s system. And if you’re one of them, this guide will cover all you need to know.
Why Should I Unlock My Device’s Bootloader?
Unlocking your device’s bootloader is like unlocking a door to a world of possibilities. You may flash a variety of custom ROMs, install custom recovery (such as TWRP), experiment with a variety of modifications and hacks, and, most crucially, root your device. After gaining administrative access, you may experiment with a variety of Magisk Modules and the Xposed Framework, among other things.
Even more intriguing is the fact that the bootloader might be unlocked with only a single line of code. So, what are you waiting for, try it out, or should you? Before you start, make sure you’re aware of the drawbacks of unlocking it. All of this is detailed in the article below.
The Drawbacks of Bootloader Unlocking
The most significant disadvantage of unlocking the bootloader is that your device’s warranty will be voided. Why do manufacturers do this, though? The solution is straightforward. All OEMs provide their devices with a locked bootloader, allowing customers to only utilize the pre-installed stock operating system.
Device manufacturers do not want customers to test out third-party OS customizations such as LineageOS or Resurrection Remix, which are offered by third-party sources. Because the manufacturers have no connection to the designers, they have decided to invalidate the device’s warranty.
Aside from losing your warranty, you’ll also lose all of the data on your device. Furthermore, certain programs, such as Netflix, have significant drawbacks. As a result, the L1 Widevine Certificate is reduced to L3, and you won’t be able to watch Netflix videos in HD quality. Last but not least, there’s always the possibility that your gadgets will boot loop or become bricked.
Unlock bootloader based on device manufacture
Sony Xperia – How to Unlock Bootloader on any Sony Xperia Device
Should I Unlock the Bootloader on any Device?
As you can see, the burden of proof is entirely on your shoulders. If you’re one of those tech nerds who like tinkering with their gadgets, look no further. In terms of the warranty, believe me when I say that there isn’t a single software issue that you can’t fix yourself if you know your way around rooting and flashing.
As a result, there is no need to meet the people at the service facility! In a word, if custom ROMs and rootings are your things at all hours of the day and night, you’ve come to the right place. However, if you solely use your mobile for chatting and calling, I’m afraid you’re in for a disappointment.
You may continue to use your phone normally without ever thinking about unlocking the bootloader.
How to Unlock the any Android Device’s Bootloader?
Follow the steps outlined below to unlock your device’s bootloader. Make sure you don’t miss any of them.
- Your entire data set would be erased. As a result, make a complete backup of your device before starting the process.
- To do so, go to Settings and select About Phone from the drop-down menu. Then, after seven taps on Build Number, you should be presented with a notification saying that you are now a developer. Return to Settings and choose System from the drop-down menu. You should now see the Developer Options if you tap on Advanced.
- Activate OEM Unlocking: You’ll need to enable OEM unlocking in order to unlock the bootloader of your Android smartphone. To do so, go to Developer Options and turn on the corresponding toggle.
- For running numerous ADB and Fastboot commands, download ADB and Fastboot Tools.
If something goes wrong with your smartphone while following the procedures below, DroidWin or any of its members will not be held liable. You are fully aware of the dangers of bootloader unlocking and proceed at your own risk.
Unlocking the Bootloader on Android Devices
- Use a USB cord to connect your gadget to your computer.
- Go to the location where the Android SDK and Platform Tools were installed.
- Right-click on an empty spot inside the folder while holding down the ‘Shift’ key.
- Choose ‘Open PowerShell window here’ from the drop-down menu.
- If you like, you might instead use Command Prompt [recommended]. In the platform-tools address bar, type cmd and press Enter. The Command Prompt window will open as a result of this.
- To boot your device into fastboot/bootloader mode, type the following code:
adb reboot bootloader
- To unlock the bootloader of your Android smartphone, input the code below. Executing the code below will also erase all of your device’s data.
fastboot flashing unlock
- If your device was made before 2015, use the following command:
fastboot oem unlock
- Furthermore, if you want to install a custom ROM, you’ll need to unlock the partition as well. To do so, use the command below:
fastboot flashing unlock critical
- If a confirmation prompt appears on your screen, respond affirmatively (‘Yes,’ ‘I agree,’ Unlock the Bootloader,’ and so on).
- Type the following code to restart the device:
That is all there is to it. You have successfully unlocked the bootloader on your smartphone. It’s possible that the initial boot will take a bit longer than normal. That’s quite typical. You’ll also need to sign in with your Google Account to set up your device.
NOTE: Even though certain devices were released after 2015, the fastboot OEM unlock code is still used. So, if the fastboot flashing unlocks fails to unlock your device, attempt the fastboot OEM unlock code.
Now that you’ve successfully unlocked your Android device’s bootloader, you may try rooting it, flashing custom ROMs, and installing a slew of wonderful modifications, like GCam. So that brings us to the end of our detailed explanation on how to Unlock the Bootloader of Any Android Device. Please let me know if you have any problems with any portion of this guide. I’ll get back to you as soon as I can with a solution.