The setup information ( .inf ) files included in the 2.19.1.0 package contain hardware IDs (HWIDs) that match specific Samsung device classes. The driver creates a bridge for the Device ID USB\VID_04E8 (Samsung Electronics Co., Ltd.). Early iterations of this driver were notorious for strict matching requirements, where specific carrier variants of the Galaxy S series (e.g., SGH-I747 vs GT-I9300) occasionally required specific sub-driver modifications to enable modem functionality.
This driver is often delivered automatically as an optional update through the Microsoft Update Catalog . Samsung Electronics Co. Ltd. - Usb - 2.19.1.0