How To Install Mtk Driver Mediatek Preloader Usb Vcom -

Right-click the button and select Device Manager .

Once the wizard finishes the installation process, click . Step 6: Verify the Installation

To install the unsigned MediaTek VCOM driver, we must temporarily disable Driver Signature Enforcement. Here’s how:

Go to Settings > Update & Security > Recovery > Advanced Startup > Restart now. Select Troubleshoot > Advanced Options > Startup Settings > Restart. Press 7 or F7 to disable driver signature enforcement. how to install mtk driver mediatek preloader usb vcom

When a phone is switched off and connected to a PC for flashing, it enters a temporary "Preloader" state. The VCOM driver acts as the bridge during this short window, allowing the flashing software to read/write to the phone's memory partitions before the operating system boots. Prerequisites Before Installation A working PC (Windows 7/8/10/11).

A: No. For low-level access on macOS or Linux, you typically do not need to install a driver. You may need to configure udev rules to grant the necessary permissions, but the principle of disabling driver signature does not apply to these systems.

Because the Preloader USB VCOM port is, by design, extremely unstable—it often appears for only 1 or 2 seconds before vanishing—we cannot rely on plugging the device in first and hoping it shows up. Instead, we will pre-install the driver using the wizard in Device Manager. Right-click the button and select Device Manager

Modern versions of Windows (10 and 11) strictly enforce driver signatures. Because many legacy MTK VCOM drivers are unsigned, Windows will block their installation unless you temporarily disable this security feature.

Windows 10 and 11 strictly block "unsigned" drivers for security. Since many MTK VCOM drivers are older or custom-made, you must temporarily disable this feature. Hold the key and click Restart from the Start Menu.

Installing the MediaTek Preloader USB VCOM driver on Windows 10 or 11 is a precise, multi-step process that can seem daunting due to Microsoft's security features. However, by carefully following this guide—disabling Driver Signature Enforcement, manually adding the legacy hardware, and then connecting your device—you will be able to establish the essential communication link between your PC and your MediaTek-powered device. Here’s how: Go to Settings > Update &

Ensure you are using the USB VCOM driver, not the CDC driver.

⚠️ : Re-enable driver signature enforcement after installation for better security.

The MediaTek Preloader device is often only visible to the computer for a fraction of a second when a powered-off device is connected. Therefore, the most reliable method is to install the driver preemptively using the "Add Legacy Hardware" wizard in Device Manager. This method ensures the driver is available on your system before you connect your device.