The MT6261 is a widely used, low-cost MediaTek GSM/GPRS SoC (System on a Chip) often found in "smart" watches and IoT modules like the
Driver Conflicts: Remove old MediaTek drivers using tools like USBDeview before performing a clean install. mt6261 usb driver
Follow the setup wizard prompts. If Windows prompts you with a red warning stating the driver publisher cannot be verified, click Install this driver software anyway. The MT6261 is a widely used, low-cost MediaTek
.inf file (e.g., mtk_usb_com.inf or MediaTek inc_1.0.0.0.inf).| Issue | Likely Cause | Solution |
|-------|--------------|----------|
| Device shows as MTK USB Port with yellow exclamation | Missing or wrong driver | Manually update driver → Browse → Let me pick → Choose “MediaTek USB VCOM Port” |
| Driver installs but Flash Tool fails to connect | Preloader window too short | Click “Download” in Flash Tool before connecting device USB. |
| Driver not loading on Windows 11 | Driver signature enforcement | Reboot → Disable signature enforcement via Advanced Startup → Install |
| “Error: 10” (device cannot start) | USB cable or port issue | Use USB 2.0 port, short high-quality cable, no hubs. |
| No COM port after connecting | Device not in correct mode | Ensure correct key combo for preloader download mode. | Turn off your MT6261 device