Look for "Other Devices" or an exclamation mark. Right-click it and choose .
Many versions of this driver are not digitally signed by Microsoft. Modern Windows versions (7, 8, 10, and 11) will block them by default. Go to > Update & Security > Recovery . Under Advanced startup , click Restart now .
Try a different USB cable or port (USB 2.0 ports are generally more stable for flashing than USB 3.0) .
: It confirms that your USB cable, port, and the specific Spreadtrum USB-to-Serial COM port drivers are installed and functioning [3]. Common Contexts