: Essential for "Dead Boot" recovery and flashing stock ROMs using tools like SP Flash Tool .
| Error Code | Cause | Solution | | :--- | :--- | :--- | | | Driver conflict with another serial driver (e.g., Nokia, Qualcomm) | Use USBDeview to uninstall all COM port drivers. Reboot, reinstall. | | Code 52 (Digital signature) | Windows update patched the fix | Re-disable signature enforcement. Use DSEO (Driver Signature Enforcement Overrider) to sign usb2ser.sys manually. | | Device disappears after 2 seconds | Normal behavior for Preloader | This is not an error. The driver is working. SP Flash Tool must be ready before connecting. | | ERROR: STATUS_DEVICE_NOT_FOUND | Windows Power Management turned off USB port | Go to Device Manager > USB Root Hub > Properties > Power Management > Uncheck "Allow computer to turn off this device." | mtk usb driver v108 fixed
After a successful fix, Windows may still try to "upgrade" the driver. : Essential for "Dead Boot" recovery and flashing
Key fixes and improvements in v108