The SU2 Serial Port Driver (often labeled SCI USB2Serial) acts as a bridge for connecting Spreadtrum/UNISOC devices to a computer, enabling tasks such as firmware flashing, IMEI repair, and debugging. The driver enables a virtual COM port for data transfer and, due to its legacy nature, often requires manual installation via Windows Device Manager, specifically using the SciU2S.INF file, potentially requiring the disabling of driver signature enforcement.
💡 : Check the Hardware ID in your system settings to find the exact manufacturer of the chip inside your "SU2" device. su2 serial port driver