Samsung Electronics Co.%2c Ltd. - Usb - 2.21.0.0

The entry is an official software driver update deployed by Microsoft to allow Windows computers to communicate properly with Samsung mobile devices. When you connect a Samsung Galaxy phone or tablet to your PC via a USB cable, Windows relies on this specific subsystem driver to handle tasks like file transfers, tethering, and debugging.

Even a stable driver can fail due to conflicts, corrupted installations, or Windows updates. Here are common problems and solutions.

: Includes drivers that allow mobile phones to act as a modem for the PC. Stability Fixes samsung electronics co.%2C ltd. - usb - 2.21.0.0

Ensuring software like Samsung Smart Switch recognizes the device seamlessly. Troubleshooting Common Issues (2.21.0.0)

: Is this the same as the full driver installer? Generally, yes. The 2.21.0.0 driver package provides the core compatibility for Samsung phones. While the full "Samsung USB Driver for Mobile Phones" suite is often a ~35 MB EXE file packed with extra tools, the 2.21.0.0 driver available via the Microsoft catalog is a focused, 5 MB driver-only update that targets the core USB composite device functionality. The entry is an official software driver update

If you are seeing this entry in your system logs or Device Manager, it means your computer has successfully connected to a Samsung phone or tablet in the past. It is required for:

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While specific release notes are rarely public, driver updates of this nature typically provide:

When a Samsung phone or tablet connects to a PC, the device exposes multiple interfaces simultaneously: traditional storage access (MTP), a digital camera profile (PTP), a modem interface, and debugging tools (ADB). The 2.21.0.0 composite driver acts as the master controller, sorting out these distinct pipelines through a single USB port. Why is it Appearing on Your Windows PC?

. It is primarily designed to facilitate a stable connection between Samsung mobile devices and Windows computers for tasks like data transfer, firmware flashing, and application development. Key Purpose & Utility Device Recognition