Use a USB 2.0 port if possible. USB 3.0/3.1 ports (the blue ones) often have compatibility issues with older SPD flashing tools.
Use the original USB cable or a high-quality data cable. Many cheap cables only support charging, not data transfer. spreadtrum driver install failed
Windows may block the driver because it lacks a verifiable digital signature, leading to "Unknown Publisher" errors or a "Code 52". Use a USB 2
This is the most frequent fix for installation failures on Windows 10 and 11. Hold the key and click Restart from the Power menu. spreadtrum driver install failed