The SAMSUNG Mobile USB Device driver is a software component that allows your Windows computer to recognize and communicate with your Samsung mobile device (such as a smartphone or tablet) when it's connected via USB. This driver enables various functionalities, such as transferring files between your computer and phone, debugging apps, or managing device settings.

When you connect a Samsung mobile device to a Windows PC, it may require the SAMSUNG Mobile USB Device driver to facilitate USB file transfers, charging, or other operations like Samsung Smart Switch or Samsung Kies software. These drivers are typically installed automatically through Windows Update, but you might need to manually install or update them if you're having trouble.