Right-click the device > > Browse my computer for drivers .
The Spreadtrum U2S Diag driver is part of a software package designed for smartphones and feature phones. Unlike standard MTP or ADB drivers, the Diag driver opens a specific COM port (typically labeled as SPRD U2S Diag ) used for advanced operations: Sprd U2s Diag Driver For Windows 10 64 Bit
Used for IMEI repair, unlocking, and removing Google Factory Reset Protection (FRP). Right-click the device > > Browse my computer for drivers