PREREQUISITES:

1. Charge your device: Ensure your Vivo S1 Pro has sufficient battery charge to avoid interruptions during the flashing process.

2. Download Firmware: Visit the official Vivo website or a trusted source to download the correct firmware for your Vivo S1 Pro model.

3. Install USB Drivers: Download and install the USB drivers for Vivo S1 Pro on your computer.

4. Download and Install Flash Tool: Download the appropriate flashing tool compatible with Vivo devices (commonly provided by the manufacturer). The Vivo Flash Tool is frequently used for Vivo smartphones.

5. Extract Firmware: Extract the firmware file you downloaded. This may result in a file with a .zip or .rar extension.

Steps to Flash Firmware:

1. Open Flash Tool:

   • Launch the Vivo Flash Tool on your computer.

2. Load Firmware:

   • Look for an option in the tool to load or select the firmware file. Load the firmware file you extracted.

3. Connect Your Device:

   • Power off your Vivo S1 Pro.
   • Connect your device to the computer using a USB cable while holding specific hardware buttons (e.g., volume down or power) to enter the firmware update mode.

4. Start Flashing:

   • Once your device is connected and recognized by the tool, initiate the flashing process.

5. Wait for Completion:

   • Allow the flashing process to complete. This may take some time, and it’s crucial not to disconnect your device during this phase.

6. Finish:

   • Once the process is complete, disconnect your device, and power it on.

Important Notes:

• Follow the specific instructions provided by Vivo or the flashing tool.
• Ensure you have the correct firmware for your device model.
• Be cautious while flashing firmware, as it can void warranties or lead to data loss if not done correctly.
• Before you proceed, ensure you have a backup of important data on your device, as flashing firmware may result in data loss.

Remember that these instructions are based on general steps for flashing Vivo devices. The exact steps might vary slightly based on the specific firmware and version you’re using. So we can’t take responsibility for these instructions. Always refer to the official documentation and resources for your device and tools.