Driver X64 Top - Mtk Usb Serial Port

[Manufacturer]
%Mfg% = MTKDevices, NTamd64
[MTKDevices.NTamd64]
%MTKDevice% = USB_Install, USB\VID_0E8D&PID_0003
[USB_Install.NT.Services]
AddService = usbser, 0x00000002, Service_Inst
[Service_Inst]
DisplayName = %Serial.SvcDesc%
ServiceType = 1
StartType = 3
ErrorControl = 1
ServiceBinary = %12%\usbser.sys

Best for: Windows 10/11 with Secure Boot & Driver Signature Enforcement enabled.

This is the only driver that does not require disabling driver signature enforcement (DSE) on modern Windows x64. It is digitally signed by MediaTek Inc., making it the safest and most reliable option.

Download source: Official MediaTek website or trusted GitHub mirrors (always verify the .cat signature file). mtk usb serial port driver x64 top

Even the "top" driver will fail if installed incorrectly. Follow this exact sequence.

Best for: MTK Helio G-series, Dimensity 700-9000, and secured Android 12+ devices. Why it’s top: MediaTek introduced SLA (Secure Loader Authentication) and DAA (Download Agent Authentication) starting in 2020. Standard drivers fail. This driver integrates a libusb filter that bypasses authentication.

If you work with Android devices featuring MediaTek (MTK) processors—from budget smartphones to high-end tablets—you've likely encountered the infamous yellow exclamation mark in Device Manager next to "MTK USB Serial Port" or "Preloader USB Device Port." [Manufacturer] %Mfg% = MTKDevices, NTamd64 [MTKDevices

This issue is especially critical on x64 (64-bit) versions of Windows 10 and 11, where driver signature enforcement often blocks older, unsigned drivers.

In this guide, we review the top x64 MTK USB serial port drivers that work reliably for:

After testing dozens of driver packs on Windows 11 22H2 (x64) and Windows 10 22H2 (x64), these three consistently rank as the top choices. Best for: Windows 10/11 with Secure Boot &

| Endpoint | Type | Purpose | |----------|------------|-----------------------------| | 0x81 | Bulk IN | Device → host (logs, data) | | 0x02 | Bulk OUT | Host → device (commands) | | 0x83 | Interrupt | Serial line status changes |