If you’ve forgotten your Vivo Y91c, Y90, or Y91i screen lock password, pattern, PIN, or face lock, don’t worry! This guide will walk you through the steps to perform a hard reset without using a professional unlocking box. Follow these instructions carefully to regain access to your device.

Step 1: Identify Your Exact Vivo Model

Before proceeding, it’s important to determine your phone’s exact model.

1. Open your Camera app and take a photo.
2. Go to the photo details section.
3. Check the device model listed in the metadata.
4. Alternatively, search on Google by typing “Vivo [your model number] model name” (e.g., “Vivo 1820 model name”) to confirm.

Step 2: Prepare Your PC

1. Turn off Windows Antivirus to prevent interference with the process.

      2. Download MTK Client Tool from a trusted source or From Here (Password: victorexplains).

      3. Extract the downloaded file to your computer.

      4. Right-click on MTK CLIENT TOOL V5.2.exe and select “Run as Administrator”.

Step 3: Install Required Drivers

1. Download USB drivers
   compatible with your Windows system (either 32-bit or 64-bit).
2. Download and install the MTK driver to ensure proper communication between your Vivo device and PC.

Step 4: Hard Reset Your Vivo Y91c / Y90 / Y91i

1. Open MTK Client Tool on your PC.
2. Click on the “Vivo” option.
3. Select your Vivo model from the list.
4. Click on “Factory Reset”.
5. Finally, click on “Start”.

Step 5: Connect Your Device

1. Turn off your Vivo Y91 / Y90 / Y91i.
2. Press and hold Volume Up + Volume Down.
3. While holding the buttons, connect your device to the PC using a USB cable.
4. The MTK Client Tool will automatically detect your phone and start formatting it.
5. Wait for the process to complete Untill See 100% Formating Data OK.

 

Important Notes

• Use this method only for legal purposes, such as unlocking your own device.
• After completing the process, turn on Windows Antivirus to protect your system from security threats.
• Ensure your battery has enough charge before starting the reset.

By following these steps, you can easily hard reset your Vivo Y91c, Y90, or Y91i and remove any screen lock
without needing a box. If you found this guide helpful, share it with others facing similar issues!