To install the MediaTek (MTK) Preloader USB VCOM driver, you must manually add it as "legacy hardware" through the Device Manager
. On modern Windows versions, you must first disable driver signature enforcement to allow unsigned MTK drivers to function. Phase 1: Disable Driver Signature Enforcement
Windows 10 and 11 prevent the installation of unsigned drivers by default. Open Recovery Settings (Windows 11) or Update & Security (Windows 10). Restart to Advanced Startup Restart now under the "Advanced startup" section. Navigate Menus : After your PC restarts to a blue screen, select Troubleshoot Advanced options Startup Settings Select the Option : Once the startup options list appears, press on your keyboard to choose Disable driver signature enforcement how to install mtk driver mediatek preloader usb vcom
. Your PC will boot normally, but now it will allow unsigned drivers for this session. Phase 2: Manual Driver Installation how to install MTK VCOM USB Preloader Drivers
Installing the MediaTek (MTK) Preloader USB VCOM driver is a critical step for anyone looking to flash firmware, unbrick a device, or use tools like the SP Flash Tool. These drivers allow your Windows PC to communicate with your MediaTek-powered smartphone or tablet while it is in "Preloader" mode. To install the MediaTek (MTK) Preloader USB VCOM
Since many of these drivers are not digitally signed, Windows 10 and 11 will often block them by default. This guide covers the essential preparation and step-by-step manual installation. Prerequisite: Disable Driver Signature Enforcement
Before starting, you must temporarily disable a security feature that prevents the installation of unsigned drivers. Driver Easy Download MTK USB Drivers for Windows 11, 10 Problem 2: Device disappears before I can install
Solution: The PreLoader only lives for 3–5 seconds. Pre-open Device Manager, have the "Update Driver" window ready, and click immediately after plugging the phone. Alternatively, use the "Legacy Hardware" installation:
Windows 10 and 11 (especially 64-bit versions) block the installation of unsigned or older drivers by default. The MTK Preloader driver is often seen as unsigned. If you skip this, you will get the error: “The third-party INF does not contain digital signature information.”
The core of MTK driver installation lies in disabling Windows Driver Signature Enforcement. Once that is done, the manual installation via Device Manager is the most reliable method to get your device recognized for flashing.
This driver is essential for flashing custom ROMs, unlocking bootloaders, or recovering bricked MediaTek devices. The critical challenge is that the Preloader mode is only active for 3–5 seconds when you connect the device.