Sprd U25 Diag Driver Work [2021]

Note the assigned port number (e.g., COM5) for your service tools.

The Windows Plug and Play (PnP) manager searches its driver store for a matching .inf file containing the corresponding VID/PID. When it finds the Spreadtrum driver, it initializes the sprd_ser.sys (or equivalent driver file) and allocates an available virtual COM port (e.g., SPRD U25 Diag (COM3) ). 4. Protocol Execution sprd u25 diag driver work