How to Unlock the Bootloader on Vivo T1 5G

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In this guide, we will show you the steps to unlock bootloader on your Vivo T1 5G. This budget-level offering from Vivo manages to check most of the terms one could ask for. With a 120hz refresh rate, Snapdragon 778G 5G chipset, mammoth 12GB RAM, and 5000mAh battery with 444W fast charging, one couldn’t ask for more.

But it left a lot to be desired when it came to custom development. There was no easy way to unlock the bootloader on the Vivo T1 5G, until the developers decided to step in and take matters into their own hands. And thanks to them, there is now a nifty way through which you can easily accomplish this task. So without further ado, let’s begin.

Advantages and disadvantages unlock bootloader

Unlocking the bootloader is the gateway to reaping the maximum benefits of Android’s open source ecosystem. For example, you’ll be able to install a custom ROM or flash a custom recovery like TWRP. Similarly, by rooting your device through Magisk you will be able to access the system partition as well as gain administrative privileges. This will allow you to flash Magisk Modules, Xposed Framework, Substratum Themes, and Viper4Android among others.

However, performing these adaptations also poses some uncalled-for risks. To begin with, it will erase all data and may even void the device’s warranty. Along the same lines, it will downgrade the Widevine L1 certification to L3, thus preventing you from streaming content in HD [FIXED]. SafetyNet will also be activated [FIXED], thus preventing you from using banking apps [FIXED]. So if that’s fine and good, let’s start with the steps to unlock bootloader on your Vivo T1 5G.

How to Unlock Bootloader on Vivo T1 5G

STEP 1: Download Modified ADB & Fastboot

  1. To begin with, download and extract the modified ADB and Fastboot Tool.
  2. Then download the modified Fastboot Binary.
  3. Now extract it inside the same folder where you had extracted the above tool.
  4. It will now ask you to replace the AdbWinApi.dll and fastboot.exe files, reply YES

STEP 2: Enable USB Debugging and OEM Unlocking

STEP 3: Downgrade Vivo T1 5G to Android 12

  • Download the 12.0.11.2 firmware and transfer it to your device’s Internal Storage, but not inside any folder
  • Now open CMD inside the ADB & Fastboot folder.
  • Then execute the below command to boot your device to recovery mode
adb reboot fastboot
  • Now performs local update using the 12.0.11.2 firmware and wait for the process to complete.
  • Once done, your device will boot to the Android 12 OS.

STEP4: Boot Vivo T1 5G to Fastboot Mode

  • Now connect your device to the PC via USB cable. Make sure USB Debugging is enabled.
  • Then head over to the ADB & Fastboot folder, type in CMD in the address bar, and hit Enter. This will launch the Command Prompt.command prompt
  • Type in the following command in the CMD window to boot your device to FastbootD Mode
adb reboot fastboot
  • After that, use the below command to reboot to the FastbootD Mode.
fastboot reboot fastboot

STEP 5: Unlock Bootloader on Vivo T1 5G

  • To begin with, download any partition IMG file and transfer it to the ADB & Fastboot folder [Why? See FAQ below]. For this guide, we are using the vendor.img.
  • Likewise, make sure you have two CMD windows opened in the ADB & Fastboot folder.
  • Now execute the below command in the first CMD window to initiate the unlock process [it will fail as of now, not an issue]
fastboot vivo_bsp unlock_vivo
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  • Then switch over to the second command prompt window and execute the below command [Since your bootloader is currently locked, the flashing will give an error, that is completely normal]
fastboot flash vendor vendor.img
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  • Now switch back to the first CMD window and keep on executing the below unlock command until you get the Okay Finished message
fastboot vivo_bsp unlock_vivo
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  • Your device will undergo a data wipe, unlock the bootloader, and finally boot to the OS. You may also use the below command to boot the device to the OS
fastboot reboot

that’s it. These were the steps to unlock bootloader on your Vivo T1 5G. We will contact you with a solution as soon as possible.