Unlock Bootloader Vivo Y91: A Comprehensive Guide

Introduction

Vivo Y91 is a popular smartphone that has been widely used for its excellent features and affordability. However, the device comes with a locked bootloader, which restricts users from making changes to the device’s operating system. In this article, we will guide you on how to unlock the bootloader of Vivo Y91.

What is a Bootloader?

A bootloader is a program that loads the operating system (OS) into the device’s memory when the device is turned on. It is responsible for initializing the hardware components of the device and loading the OS. A locked bootloader restricts users from making any changes to the device’s OS, such as installing custom ROMs or rooting the device.

Why Unlock the Bootloader?

Unlocking the bootloader of Vivo Y91 allows users to make changes to the device’s OS. It enables users to install custom ROMs, root the device, install custom recoveries, and much more. Unlocking the bootloader also provides users with administrative privileges, allowing them to make changes to the device’s system files.

Step-by-Step Guide to Unlock Bootloader Vivo Y91

Step 1: Backup Your Data

Before you proceed with unlocking the bootloader of your Vivo Y91, you must back up all your data. Unlocking the bootloader erases all data from the device, including contacts, messages, photos, apps, and other files.

Step 2: Enable USB Debugging and OEM Unlocking

To enable USB debugging, go to Settings > About Phone > Build Number and tap on it seven times. You will see a message that says, “You are now a developer.” Go back to Settings, and you will see a new option called “Developer Options.” Tap on it and enable USB Debugging. To enable OEM Unlocking, go to Settings > Developer Options and enable OEM Unlocking.

Step 3: Download and Install ADB and Fastboot Drivers

ADB and Fastboot drivers are essential tools for unlocking the bootloader of Vivo Y91. Download and install the latest version of ADB and Fastboot drivers on your computer.

Step 4: Request for Unlocking the Bootloader

To unlock the bootloader of Vivo Y91, you need to request permission from Vivo. Go to Vivo’s official website and create an account. Once you have created an account, go to the “Unlock Bootloader” page and click on “Apply Now.” Enter your device’s IMEI number, which you can find by dialing *#06# on your device. You will receive a verification code on your registered mobile number. Enter the code and click on “Submit Application.”

Step 5: Unlock the Bootloader

Once you have received the unlock code from Vivo, connect your device to your computer via USB cable. Open the command prompt on your computer and enter the following command: adb devices This will show you a list of connected devices. If your device is listed, enter the following command: adb reboot bootloader This will reboot your device into the bootloader mode. Now enter the following command to unlock the bootloader: fastboot oem unlock This will prompt you to enter the unlock code that you received from Vivo. Enter the code and press enter. This will unlock the bootloader of your Vivo Y91.

Step 6: Reboot Your Device

Now that you have unlocked the bootloader of your Vivo Y91, you need to reboot your device. Enter the following command in the command prompt: fastboot reboot This will reboot your device, and you will see the unlocked bootloader message on the screen.

Conclusion

Unlocking the bootloader of Vivo Y91 is a simple process, but it requires caution and attention to detail. Follow the steps mentioned above carefully, and you will be able to unlock the bootloader of your Vivo Y91. Once you have unlocked the bootloader, you can customize your device according to your preferences and unlock its full potential.