How to unlock bootloader on Lenovo TB371FC

Unlocking the bootloader on your Lenovo TB371FC can open up a world of possibilities for customization and advanced modifications. In this blog post, we’ll provide a step-by-step guide on how to unlock the bootloader of the Lenovo TB371FC.

bootloader is the component or code in the operating system that is executed before the start of any android device. A locked bootloader device would not allow you to modify that bootloader and thus you are stuck with using (booting) the same operating system that the device Originally came with.

Disclaimer:

Before proceeding, it’s important to note that unlocking the bootloader may void your device warranty and could potentially lead to data loss. Follow these steps at your own risk. Ensure that you understand the consequences and are willing to accept responsibility for any outcomes.

Prerequisites:

  1. USB cable
  2. USB driver
  3. unlock bl file
  4. platform tools
  5. Computer with a USB port
  6. Contact Me for Multilingual ROM, bootloader unlock, unbrick root & repair (paid)

Steps:

1. Download the Unlock File:

  • Download Lenovo TB371FC sn.img from above.

2. Enable Debugging & OEM Unlock:

  • Navigate to your phone’s settings.
  • Go to “About Phone” and tap on the “Build Number” seven times to enable Developer Options.
  • In Developer Options, enable both USB Debugging and OEM Unlocking.

3. edit SN.img:

  • open downloaded sn.img with hex editor
  • search for HAHAHAHA and replace with your device serial number
  • save file

4. unlock bootloader:

  • Connect phone in fastboot Mod
  • flash modified sn.img
fastboot flash unlock sn.img
  • Now send unlock command
fastboot flashing unlock

5. Confirm Unlock Request:

  • on phone confirm unlock warning

6. Unlock Done:

  • Congratulations! Your Lenovo TB371FC‘s bootloader is now unlocked. You can now explore custom ROMs, recovery options, and other advanced customization features.

Need Assistant:

  • Contact Me for Installation, unbrick, root, region change, convert Global, revert back, downgrade & upgrade (paid)

Related:

Conclusion:

Unlocking the bootloader on the Lenovo TB371FC can provide you with more control over your device, but it’s important to approach the process with caution and a clear understanding of the potential risks involved. Always back up your data before proceeding with any bootloader unlocking or flashing procedures.