How to Flash Oppo Neo 3 R831K: A Comprehensive Guide Using SP Flash Tool

Is your Oppo Neo 3 R831K experiencing system issues such as bootloops, app crashes, or even a complete system failure? Flashing your device can be an effective solution to restore it to a working state. This guide provides a detailed, step-by-step tutorial on how to flash your Oppo Neo 3 R831K using the SP Flash Tool. This process can resolve various software problems and breathe new life into your device.

Before we begin, it’s important to understand that flashing your Oppo Neo 3 R831K will erase all data stored on the internal memory. Therefore, it is highly recommended to back up any important data before proceeding with the flashing process. If your phone is still able to boot, ensure you have saved your contacts, photos, videos, and other crucial files.

This tutorial is based on practical experience and has been tested successfully. While occasional errors such as “PMT changed for the rom” or getting stuck at 0% during flashing can occur, these are often resolvable. To minimize potential issues, we provide the firmware and SP Flash Tool versions that have been verified to work without problems.

Step-by-Step Guide to Flash Oppo Neo 3 R831K Using SP Flash Tool:

Follow these steps carefully to flash your Oppo Neo 3 R831K successfully.

1. Download the Necessary Files:

• Download Firmware OPPO Neo 3 R831K: OPPO Neo 3 R831K Firmware.rar
  • Click the download link, wait for 5 seconds, then click “Skip” or “lewati,” and “Allow” or “izinkan” to proceed to the download page.
• Download MTK USB VCOM Drivers:
  • MTK USB VCOM drivers.rar
  • All_MTK_USB_Drivers.rar
  • Download these drivers using the same method as the firmware.
• Download SP Flash Tool: SP_Flash_Tool_v5.1408.00
  • Download SP Flash Tool using the same method.

2. Extract the Downloaded Files:

• Extract Firmware: Locate the downloaded “OPPO Neo 3 R831K Firmware.rar” file. Right-click on it and select “Extract Here.” Use the password evilica cell.com when prompted. Wait for the extraction process to complete. You will find a firmware folder with its contents.
• Extract MTK USB Drivers: Extract both “MTK USB VCOM drivers.rar” and “All_MTK_USB_Drivers.rar” files similarly.
• Extract SP Flash Tool: Extract the “SP_Flash_Tool_v5.1408.00.zip” file.

3. Install MTK USB Drivers:

• Navigate to the extracted MTK USB Drivers folder.
• Locate driver files with the .exe extension.
• For each .exe file, right-click and select “Run as administrator.” Follow the on-screen instructions to install the drivers. Install drivers from both downloaded driver archives. This step ensures your computer can properly communicate with your Oppo Neo 3 R831K in flashing mode.

4. Launch SP Flash Tool:

• Go to the extracted SP Flash Tool folder.
• Find the flash_tool.exe file.
• Right-click on flash_tool.exe and select “Run as administrator.” Wait for the SP Flash Tool interface to open.

5. Load Scatter File:

• In SP Flash Tool, click on the “Scatter-loading” button.
• Browse to the extracted Oppo Neo 3 R831K firmware folder.
• Select the MT6572_Android_scatter.txt file and click “Open.” This file contains the information about the firmware structure that SP Flash Tool needs.

6. Load Uboot and Userdata Files (Optional but Recommended):

• Click on the “uboot” field in SP Flash Tool.
• Navigate to the firmware folder and select the uboot.bin file. Click “Open.”
• Click on the “userdata” field.
• Navigate to the firmware folder and select the userdata_nvram_only.ext4.tar file. Click “Open.” Loading these files as described in the original guide can contribute to a more complete flash.

7. Deselect Preloader:

• In the SP Flash Tool interface, uncheck the box next to “Preloader.” This step is often recommended to avoid potential issues during the flashing process for this specific model.

8. Connect Your Oppo Neo 3 R831K:

• Ensure your Oppo Neo 3 R831K is powered off and the battery is installed.
• Press and hold the Volume Up button on your Oppo Neo 3 R831K.
• While holding Volume Up, connect your phone to your computer using a USB cable.
• Keep holding the Volume Up button until your computer detects the device and installs the necessary drivers. You should see “MTK USB Vcomm” or “Preloader USB Vcomm” in Device Manager once the driver is successfully installed.
• Once the driver installation is complete, release the Volume Up button and disconnect the USB cable from your Oppo Neo 3 R831K.

9. Start the Flashing Process:

• Click the “Download” button in SP Flash Tool.
• Again, press and hold the Volume Up button on your Oppo Neo 3 R831K.
• While holding Volume Up, reconnect your phone to your computer using the USB cable.
• The flashing process will begin automatically. You will see a red status bar at the bottom of SP Flash Tool, followed by a yellow bar as the flashing progresses. You can now release the Volume Up button.
• Wait patiently until the flashing process is complete. This is indicated by a green circle with a white checkmark (“OK” message) appearing in SP Flash Tool.

10. Disconnect and Power On:

• Once you see the green “OK” checkmark, disconnect your Oppo Neo 3 R831K from the computer.
• Power on your Oppo Neo 3 R831K by pressing and holding the Power button. The first boot after flashing may take a bit longer than usual, so be patient.

Congratulations! You have successfully flashed your Oppo Neo 3 R831K using SP Flash Tool. Your device should now be free from the software issues it was experiencing.

Troubleshooting Common Issues:

“PMT Changed for the Rom” Error: If you encounter the “PMT Changed for the rom” error during flashing, you can find a solution in this article: Mengatasi PMT Changed for the rom. This guide provides steps to resolve this common SP Flash Tool error.

Successful Flash but Still Problematic: If the flashing process completes without errors, but your Oppo Neo 3 R831K still exhibits issues or doesn’t show any improvement, refer to this article for further troubleshooting: “flash sukses tapi masih nihil”. This resource offers insights and solutions for situations where flashing appears successful but the device remains faulty.

Video Tutorial:

For a visual guide, you can watch this video tutorial on how to flash Oppo Neo 3 R831K using SP Flash Tool: (Video tutorial link from original article would be embedded here if available). This video serves as proof that this tutorial has been tested and confirmed to be effective.

We hope this comprehensive guide helps you successfully flash your Oppo Neo 3 R831K. If you encounter any difficulties or have questions, feel free to leave a comment below. For more tutorials and updates on flashing and device repair, subscribe to our YouTube channel.

If you experience issues with any download links, such as Google Drive limits or broken links, try logging in with a Google account or contact the administrator through Facebook EvilicaCell.