How to Fix "Unable to Open COM Port" Error for MediaTek Drivers on Windows

 The "Unable to Open COM Port" error commonly appears when connecting MediaTek-powered smartphones to a Windows PC for flashing or debugging. This issue usually occurs due to missing or outdated VCOM drivers, conflicts with other ports, or improper configuration.

What Is the "Unable to Open COM Port" Error?

This error indicates that the system cannot access the designated communication (COM) port, preventing tools like SP Flash Tool or other flashing utilities from interacting with the MediaTek device. It often happens when MediaTek VCOM drivers are not properly installed or recognized by the system.

Key Features 

• Enables communication between MediaTek devices and PC
• Required for flashing firmware using SP Flash Tool
• Compatible with various Windows versions
• Supports both 32-bit and 64-bit systems
• Helps in unbricking dead MediaTek devices
• Allows ADB and fastboot connections via USB
  
  

How to Use 

• Uninstall any previous conflicting drivers
• Download the latest MediaTek VCOM driver package
• Disable driver signature enforcement (if needed)
• Manually install the drivers via Device Manager
• Reboot the system after successful installation
• Connect the MediaTek device and check COM port assignment
  
  

How to Download 

• Visit a trusted source or official tool website
• Search for the latest MediaTek USB VCOM drivers
• Choose the correct version for your OS (32/64-bit)
• Download the ZIP or installer file
• Extract the contents using a file extractor
• Follow installation instructions or manual setup guide
  
  

Supported Devices

• MediaTek-based smartphones and tablets
• Xiaomi (MTK models)
• Infinix, Tecno, and Itel phones
• Realme (MTK versions)
• Oppo (MTK-powered models)
• Lenovo and Gionee MediaTek devices
  
  

Conclusion

Fixing the "Unable to Open COM Port" error is essential for ensuring smooth flashing and debugging of MediaTek devices. By properly installing the VCOM drivers and managing COM port settings, you can prevent connection issues and keep your device running efficiently.

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