How to Unlock Bootloader Using Fastboot on Android
Unlocking bootloader through Fastboot is an easy task to perform, however, not all phone companies make it an available option for you. Most of the manufacturer’s setup the device as such that their devices to let users unlock bootloader only when they request a bootloader unlock token. This is how the manufacturer knows about the bootloader being unlocked and thus disabling the warranty of your device.
In this article, we will be sharing you a guide on how to unlock bootloader using fastboot. This way you can unlock the bootloader on your device with ease by carefully following the steps.
What is Unlock Bootloader?
A Bootloader is a code which initializes some hardware and then loads the kernel and RAMdisk and gets the boot process going. It runs when we turn on our device. This whole process is termed as bootloader. This process is common for other devices as well. Be it a computer, laptop or Smartphones.
Basically, Unlock Bootloader makes it possible for you to Root your Android Smartphone. So by rooting your device, you can perform various tasks as Flashing TWRP and also Custom ROM in a much easier way. Now since the Manufacturers do not want the device to be rooted as they want you to use the Stock ROM, they made a policy. According to this policy, the smartphone is built with locked Bootloader because of which the warranty of your device will be voided if you try to root it.
So if you wish to try any sort of Custom ROM, it is a necessity for you to unlock bootloader. For the whole procedure of unlocking bootloader using Fastboot, keep reading further.
What is Fastboot?
Fastboot is a powerful tool that works only in bootloader or fastboot mode. It makes it possible for you to re-flash the system partitions on your Android Device and requires a device with an unlocked bootloader. When you wish to update your device suddenly or when you by mistake soft-brick your device and need to install a clean stock system image, you can make use of this great tool.
- Laptop/ PC
- At least 70% Charging in your phone.
- Working and latest USB Cable.
- Download ADB Fastboot Tools.
- Backup your Phone.
- Download Mediatek VCOM Drivers.
We are providing you four methods of unlock bootloader. You can choose any as per your convenience:
Here is the first step-by-step guide on how to unlock bootloader using Fastboot on Android:
Method 1:- How to Unlock Bootloader via Fastboot
Step 1. To Begin with, Setup ADB and fastboot on your PC.
Step 2. Now Enable the USB Debugging and OEM Unlock on your Android Device.
Step 3. Through the USB Cables, connect your device to the PC.
Step 4. Nextly, open the command window on your PC.
Step 5. Now is the time to boot your device into bootloader mode with the help of the command given below.
adb reboot bootloader
Now you may receive a request to authorize USB Debugging on the device, all you have to do is, accept it.
Step 6. So we can say that now your device is in the bootloader mode. For unlocking the bootloader, issue the command mentioned below.
Step 7. This is quite an optional step. If you get a confirmation screen on your device, Press the Volume Up button to highlight YES and press the Power button to select it. This initiates the bootloader unlocking process. This would take no more than a couple of minutes.
Step 8. Now that the bootloader is unlocked, your device will reboot into the bootloader mode. You will have to boot it into your system by using the given command:
Step 9. While the process of a reboot, your device will be going through a factory reset and gradually boot into a system of it.
And you are done! Your device has bootloader is now unlocked!
For this, you will need the unlock code that you will get by contacting the manufacturer. Some of them do not provide the code so it isn’t even worth a try, you can rather look for another option. However, if you get the code, here is the further procedure to follow:
Step 1. To begin with, you will need the unlock code which you can get by contacting the manufacturer as I said earlier. Once that you got it, Enable the developer option. You can do that by:
Go to Settings> About> Software Information> More> Tap on the Build Number 7-8 Times until you see a toast message- “Developer Option Enabled”.
Step 2. Now go back to settings and enable the OEM Unlock. You can do this by-
Settings> Developer Options and Enable OEM Unlock and USB debugging.
Step 3. Nextly, Download and Extract the Download ADB Fastboot Zip file on your Windows PC.
Step 4. Through the USB Cables, connect your phone to the PC.
Step 5. Once you have connected your phone to the computer, wait until the drivers get installed.
Step 6. In the ADB Fastboot folder, open a command prompt Window by pressing Shift Key+ Right Mouse Click.
Step 7. Type the following command in your Window:
Step 8. If you come across one pop up to allow USB Debugging on your phone, Click OK. And then, type the command given below:
adb reboot bootlader
Step 9. Now that your Phone reboots into bootloader, check if your phone shows the bootloader locked and then type the command given below so as to know that the fastboot drivers are installed properly.
Step 10. With this command, you will see a list of the connected devices. If the serial number of your phone shows up, you are on the right way and ready for the next step. If your phone is not listed this shows that the drivers are not installed. For a further process, you will have to continue fixing your drivers then your phone may be listed in the list.
Step 11. Once that your phone is recognized by the command above, get back to unlocking the bootloader with the following command:
Note: This will wipe everything from your phone.
fastboot oem unlock
Step 12. Once the above command finishes executing, run the below command:
Step 13. Now your Phone will reboot. Wait until it’s booted completely. Once it’s done, you are good to go and have fun.
Now in some of the MT6580 SoC devices, you get an option of unlocking bootloader. For this purpose, all you got to do is, Go to Settings> Developer Options or in Settings> About Phone and Turn Off the “OEM Lock”.
At times, a 3rd Party Developer or Manufacturer itself will release a tool to unlock bootloader on their device.
So, guys, this was all about how to unlock bootloader using Fastboot. Hope you guys found the article useful and have successfully unlocked the bootloader on your phone. Although many company’s devices such as LG, Motorola, Sony, do not support direct bootloader unlock but you can still give this method a try. Great if it works, and no harm even if it doesn’t.
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