This usually means a version mismatch. Uninstall the current driver, restart, and try an older version (e.g., v1.5.0.1).
Attacker with physical USB access (e.g., public charging station with data): spreadtrum sci usb2serial ok
The (SCI = Serial Communication Interface) is not a standard UART-to-USB bridge like FTDI or CP2102. Instead, it is a proprietary diagnostic and engineering interface embedded within Spreadtrum/Unisoc mobile phone chipsets (SC77xx, SC98xx, UIS78xx, Tiger series). It appears as a USB CDC-ACM or vendor-class device, but implements a packetized protocol over bulk endpoints to access multiple logical channels (modem log, application log, GPS, secure debug, calibration). This usually means a version mismatch