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

: Enables the phone to act as a cellular modem for the PC. OBEX Serial Port : Used for legacy file transfer protocols. Key Features and Importance

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. samsung electronics co.%2C ltd. - usb - 2.21.0.0