how to unlock bootloader any vivo smartphone via fastboot mode process

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How to unlock bootloader any vivo smartphone via fastboot mode 

Pre-Requirements:

  • The guide is only supported for Vivo devices.
  • Take a complete device internal data backup at first before doing anything.
  • Keep your device battery charged at least up to 60% for a smoother process.
  • Download and Install ADB & Fastboot Tool on your computer. [Windows/Mac/Linux]
  • Download and Install Qualcomm EDL Driver > QDLoader_HS_USB_Driver.7z
  • Enable Developer Options, USB Debugging, and OEM Unlock on your device. Check out the video guide.
  • Download Vivo Fastboot Tool > Vivo-fastboot.zip on your PC and extract it.
  • You will require a PC/Laptop and a USB Cable.
  • Download Vivo EDL Unlock Tool > BLUnlocker_v1.zip.

1. How to Unlock Bootloader on any Vivo smartphones via Fastboot 

  • After following the pre-requirements properly, connect your Vivo smartphone to the PC via a USB cable.
  • Head over to the Vivo-Fastboot Tool folder on your PC.
  • Now, right-click on the blank area inside the Fastboot folder by pressing the Shift key will open a command prompt.
  • Next, type the following command and hit enter button in order to reboot your device into bootloader mode.
adb reboot bootloader
  • Then type another command below and press enter. For the older Vivo phones.
fastboot bbk unlock_vivo
  • If you’re using any newer Vivo phone then follow the below command.
fastboot bbk vivo_bsp unlock_vivo
  • That’s it. You’re done.

Steps to Re-Lock Bootloader on Vivo Device

If you want to re-lock the Vivo bootloader then follow the above steps in order to reboot your Vivo device into Bootloader mode. Then just type and enter the following command in the command prompt and restart your phone normally.

fastboot bbk lock_vivo

2. How to Unlock Bootloader on any Vivo smartphones via EDL Method

  • After following the pre-requirements properly, you will need to unzip the Vivo EDL Unlock Tool first.
  • Download the device latest stock firmware file according to your phone model and extract prog_emmc_firehose_****.mbn file from the firmware.
  • Copy the prog_emmc_firehose_****.mbn file to the Vivo EDL Unlock Tool folder.
  • Now, switch off your device and press & hold the Volume Up + Volume Down button and connect the USB cable to the PC together.
  • Next, open Device Manager on your computer and search the Qualcomm EDL port.
  • Run dump_devinfo.bat and type the port number and hit enter.
  • Edit devinfo.img using HxD Hex Editor.
  • Finally, run unlock.bat to Unlock Bootloader on any Vivo smartphones.
    hope this guide was helpful to unlock bootloader vivo smartphone fastboot process . If you have any queries or feedback, please leave a comment below.
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