You should see an "Unknown Device" or "SPRD U2S Diag" under or Ports (COM & LPT) .

Because Spreadtrum is a hardware manufacturer, they do not always provide a direct consumer-facing download portal. Instead, users often rely on driver repositories or phone manufacturer bundles.

Allows developers and technicians to read system logs and calibrate radio frequency (RF) parameters. Downloading the Driver for Windows 10 64-bit

Connect your phone to the PC while holding the (or designated boot) button.

Right-click the device > > Browse my computer for drivers .

Used for IMEI repair, unlocking, and removing Google Factory Reset Protection (FRP).

Once the menu appears, press or F7 to "Disable driver signature enforcement". 2. Install the Driver Manually