How to Unlock Bootloader on Tecno Devices [MediaTek & Unisoc]

In this guide, we will show you the steps to unlock the bootloader on your Tecno devices having MediaTek and Unisoc chipsets. Before you step into the custom development, you have to check off the most important prerequisite on the list- unlocking the bootloader.

In earlier times, it was among the easiest tasks, however, many OEMs now want the users to stay within their restricted ecosystem and have therefore either made this process extremely difficult or have completely dismantled it altogether [hello, Huawei].

If we talk about Tecno, then it isn’t the most developer-friendly device out there, but still, it has left a small window open for the tech enthusiast through which they can carry out the aforementioned task [though there are a few roadblocks that you might face during this journey]. So, without any further ado, let’s make you aware of the steps to unlock the bootloader on your Tecno device with an underlying MediaTek or Unisoc chipset.

  • How to Unlock Bootloader on Tecno Devices On Tecno MediaTek Devices On Tecno Unisoc Devices

How to Unlock Bootloader on Tecno Devices

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Both methods given below will wipe off all the data from your device and might also nullify the device’s warranty. So, please take a complete device backup beforehand. Droidwin and its members wouldn’t be held responsible in case of a thermonuclear war, your alarm doesn’t wake you up, or if anything happens to your device, and data by performing the below steps.

On Tecno MediaTek Devices

  1. First off, download and install the MediaTek drivers on your PC.
  2. Download and extract Android SDK Platform Tools on your PC.
  3. Then enable USB Debugging & OEM Unlocking on your device.
  4. Next, open Command Prompt inside the platform-tools folder.
  5. Now type the below command to boot your device to Fastboot: adb reboot bootloader
  6. Then type the below command and verify if you get a serial ID: fastboot devices
  7. If you don’t, then please install the Fastboot Drivers on your PC.
  8. After that, type in the below command in the Command Prompt: fastboot flashing unlock
  9. You might now get a prompt on your device. So use the Volume Keys to highlight Unlock the Bootloader and press the Power key to confirm.
  10. The device will undergo a wipe and the bootloader will be unlocked.

That’s it. These were the steps to unlock the bootloader on your Tecno device having a MediaTek chipset. Let’s now show you how to get this job done on the Unisoc chipset.

On Tecno Unisoc Devices

Unisoc devices follow a slightly technical approach when it comes to unlocking the bootloader. So, before starting, we would advise you to try out the above MediaTek method once. If you get the “Failed (remote: ‘unknown cmd’) fastboot: error: Command failed” error while trying the above method [fastboot flashing unlock], then only try the below method.

You’ll need a Linux-based PC, or Ubuntu Live USB on a Windows PC [download Linux Live USB software , download the Linux Distro like Ubuntu , and then create a bootable Linux USB on a Windows PC using the software] or Ubuntu ISO on VMware Workstation Player in Windows. Once you are on Linux, let’s get started with the unlocking process.

  1. First off, download and install the MediaTek drivers on your PC.
  2. Download and extract Android SDK Platform Tools on your PC.
  3. Then enable USB Debugging & OEM Unlocking on your device.
  4. Next, open a Terminal window inside the platform-tools folder.
  5. Now type the below command to boot your device to Fastboot: ./adb reboot bootloader
  6. If this command doesn’t work, then reboot to recovery via hardware key combinations and then boot to Fastboot Mode from there.
  7. Then type the below command and verify if you get a serial ID: ./fastboot devices
  8. If you don’t, then please install the Fastboot Drivers on your PC.
  9. Download and extract the modified_fastboot ZIP file on your PC.
  10. Then right-click in an empty region and select Open in Terminal.
  11. Now get the Identifier Token using the below command: ./fastboot oem get_identifier_token
  12. The output will look something like this: Identifier token: XXXXXXXXXXXXXXXXXXXXXXXX OKAY [ 0.022s] finished. total time: 0.022s
  13. Now copy this token and run the below command [replace XXX with your token] ./signidentifier_unlockbootloader.sh XXXXXXXXXXXXXXXXXXXXXXXX rsa4096_vbmeta.pem signature.bin
  14. You’ll get an output something along the following lines: Identifier sign script, ver 0.10 1+0 records in 1+0 records out 61 bytes copied, 0.000324586 s, 232 kB/s Identifier sign successfully
  15. You should also see a signature.bin file in the modified_fastboot folder
  16. Now run the below command: ./fastboot flashing unlock_bootloader signature.bin
  17. You’ll get a confirmation screen, press Volume Down to confirm the unlocking.
  18. You should now get an output along the following lines: downloading ‘unlock_message’… OKAY [ 0.001s] unlocking bootloader… Info: Unlock bootloader success! OKAY [ 91.682s] finished. total time: 91.682s
  19. You may now boot to the OS via the following command: fastboot reboot
  20. That’s it. The bootloader on your Tecno device having Unisoc chipset is now unlocked.
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