How To Install Mtk Driver Mediatek Preloader Usb Vcom

Installing the MediaTek (MTK) VCOM USB Preloader driver is a critical step for using tools like SP Flash Tool to flash firmware onto MediaTek-powered devices . Because these drivers are often unsigned, standard Windows security will block them unless you manually intervene . Phase 1: Disable Driver Signature Enforcement

Windows 10 and 11 require digitally signed drivers by default. You must temporarily disable this to install MTK drivers . How to install Mediatek USB VCOM drivers in Windows

Installing the MediaTek (MTK) VCOM drivers is essential for using tools like SP Flash Tool to repair or flash firmware on MediaTek-based devices. Because these drivers are often unsigned, Windows 10 and 11 users must first disable security restrictions to complete the installation. Phase 1: Disable Driver Signature Enforcement

Windows will block unsigned MTK drivers by default. You must temporarily disable this feature to proceed. Open Settings: Press Windows Key + I. Navigate to Recovery: Windows 10: Go to Update & Security > Recovery. Windows 11: Go to System > Recovery.

Advanced Startup: Under "Advanced startup," click Restart now. how to install mtk driver mediatek preloader usb vcom

Startup Settings: After the blue menu appears, select Troubleshoot > Advanced options > Startup Settings > Restart.

Select Option 7: When the numbered list appears after the restart, press 7 or F7 to "Disable driver signature enforcement". Your PC will boot normally with enforcement disabled for this session. Phase 2: Manually Install the Driver

Once the PC is back on, you can install the driver through the Device Manager.

Download and Extract: Obtain the MTK USB VCOM driver package from a trusted source (like XDA Developers) and unzip it to your desktop. Installing the MediaTek (MTK) VCOM USB Preloader driver

Open Device Manager: Right-click the Start button and select Device Manager. Add Legacy Hardware: Click on your PC Name at the very top of the list. Go to the Action menu and select Add legacy hardware. Manual Selection:

Click Next, then select Install the hardware that I manually select from a list (Advanced) and click Next.

Select Show All Devices (or "Ports (COM & LPT)") and click Next. Locate Driver:

Here’s a concise, step-by-step guide to install the MediaTek PreLoader USB VCOM driver (required for flashing firmware, using SP Flash Tool, or unbricking MTK devices). Steps for Windows 10/11:


Steps for Windows 10/11:

  1. Press Windows Key + I to open Settings.
  2. Go to Update & SecurityRecovery.
  3. Under "Advanced startup," click Restart now.
  4. After restart, choose TroubleshootAdvanced optionsStartup SettingsRestart.
  5. When the PC restarts, press 7 or F7 to select "Disable driver signature enforcement."
  6. Windows will boot with relaxed driver rules. Keep this session alive until your driver is installed.

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


Step 1: Download the MTK Driver

  1. Download the driver: You'll need to download the MediaTek USB VCOM driver. There are a few versions out there, but a popular one is the "MTK USB Allwinner, SPD, and MTK Drivers" package. You can search for it online or look for it on forums like XDA Developers.
  2. Extract the package: Once downloaded, extract the package to a folder on your computer, e.g., C:\MTK_Drivers.

Method B: Permanently Disable via Group Policy (Windows Pro/Enterprise only)

  1. Press Win + R, type gpedit.msc, press Enter.
  2. Navigate to: User Configuration → Administrative Templates → System → Driver Installation.
  3. Double-click “Code signing for device drivers”.
  4. Set to Enabled → Under Options, set to Ignore → OK.
  5. Restart your PC.

Step 4: Manually Install the Driver

  1. Right-click the unknown device → Update driver.
  2. Select "Browse my computer for drivers."
  3. Click "Let me pick from a list of available drivers on my computer."
  4. Scroll down and select "Show All Devices" → Next.
  5. Click "Have Disk" → Browse.
  6. Navigate to your extracted MTK_USB_VCOM_Driver folder.
  7. Select the file named android_winusb.inf or mtk_usb.inf (depending on version). Click OpenOK.
  8. From the list, select "MediaTek USB VCOM (PreLoader) Port" or similar. Click Next.
  9. If Windows warns about unsigned driver, click "Install this driver software anyway."

Step 3: Manual Installation (If Auto Installer Fails)

A. Prepare Device:

  1. Power off your MediaTek phone completely.
  2. Remove battery (if removable). For sealed battery phones, just power off.

B. Trigger PreLoader Mode:

C. Install Driver via Device Manager:

  1. Open Device Manager (Win+X → M).
  2. Look for MTK USB Port or Unknown Device with a yellow exclamation (appears briefly). If you miss it: Disconnect/reconnect phone quickly.
  3. Right-click the unknown device → Update driver.
  4. Browse my computer → Let me pick.
  5. Click Have Disk → Browse to driver folder (e.g., MTK_USB_Driver_v1.0.5).
  6. Select android_winusb.inf or usb2ser_Win8.inf.
  7. Choose MediaTek PreLoader USB VCOM Port.
  8. Ignore warning → Install.
  9. Done – you’ll see MediaTek PreLoader USB VCOM (COMx) in Ports (COM & LPT).