How To Unlock Vivo Phones Bootloader – Free Methods

The new Vivo Android device comes with a locked bootloader; You can’t flash recoveries like TWRP or other .img files until you unlock the bootloader. But after unlocking the Android bootloader, you will be able to flash any recovery, modified image file, and even you can root the device. Vivo has not released any official bootloader unlock guide, but there is a way you can still unlock the Vivo phone bootloader. In this guide, we will share the How To Unlock Vivo Phones Bootloader, Free Method with fastboot OEM code, and via the EDL method.

Unlocking the bootloader is an easy thing any Android user can do, as Vivo does, too, but not for other Android phones; some phones don’t support direct bootloader unlocking via fastboot. Many Android vendors like Huawei, LG, HTC, Motorola, and Sony don’t support direct bootloader unlock; you have to request the unlock code via their official website, then you can unlock it. But still, Vivo has not launched any official bootloader unlock website, but there is an unofficial free method. A XDA-Developers forum member has posted a free Vivo bootloader unlock guide via the fastboot method. We will show you how to do it.

Benefits of Unlocking Bootloader:-

After unlocking the Bootloader, you will be able to install TWRP Recovery, root the device, install custom ROMs and customise the device. Also, you can unbrick the device with the flash boot.img, system.img, recovery.img, userdata.img. You can flash a full ROM after unlocking the bootloader.

There are particular disadvantages also. The most critical function of the simple fact your cellphone becomes marginally less protected. If you are not careful, then it is possible for a hacker to break your mobile by installing malicious programs. Some programs, normally from banks, also limit portions of the program’s functionality on unlocked devices.

Supported devices:

Pre-requisites:

• Before starting the Bootloader Unlock process, do a complete backup of your device, including Apps, Contacts, Messages, Gallery file, and Internal Storage Files.
• Charge the device for interrupt installing.
• Install Vivo ADB-FASTBOOT Driver.
• Install Qualcomm EDL Driver ⇒ QDLoader_HS_USB_Driver.7z 
• Enable Developer Options, USB Debugging, OEM Unlock to connect your device in ADB, fastboot mode.
• Download Vivo fastboot Tool ⇒ vivo_fastboot.zip
• Vivo EDL unlock Tool for unlocking the bootloader via EDL ⇒ BLUnlocker_v1.zip

How to Unlock Vivo Phones Bootloader via Fastboot Method

1. First, read Pre-requisites and Enable Developer Options, USB Debugging and OEM Unlock.

2. Download and unzip the Vivo fastboot Tool.

3. Connect your device to the PC and go to Vivo fastboot Tool folder.

4. Now open the command prompt and navigate to the ADB & fastboot folder by holding Shift + Mouse Right Click and typing the command one by one.

adb reboot bootloader

• This command will reboot your device into fastboot mode, or you can do it manually by holding Volume Down + Power key together.

5. Use this command to Unlock Vivo Phones Bootloader.

fastboot bbk unlock_vivo

or (for new phones).

fastboot bbk vivo_bsp unlock_vivo

6. Press Volume Up or Down Key on your phone to confirm unlocking use fastboot bbk lock_vivo to relock the bootloader.

Unlock Vivo Phones Bootloader EDL Method 2

Note: This method can brick your device if it does not match the firmware, so first back up your data, download the stock firmware, and start the process.

1. First, read Pre-requisites and Enable Developer Options, USB Debugging and OEM Unlock.

2. Download and unzip Vivo EDL unlock Tool and go to the next step.

3. Download stock firmware and extract ‘prog_emmc_firehose_****.mbn‘ file from the firmware.

4. Copy prog_emmc_firehose_****.mbn file to BLUnlocker_v1 folder.

5. Switch off your phone and hold Volume Up + Volume Down and connect USB at the same time.

6. Open Device Manager and note the Qualcomm EDL port.

7. Run “dump_devinfo.bat” and type the port number and hit enter Edit devinfo.img using HxD Hex Editor watch this video how to do it.

8. Run “unlock.bat” to unlock the Bootloader of Vivo Phones.