Qualcomm Qcser.inf -

or within the extracted contents of driver packages named QCUSB_Drivers.zip , Qualcomm_USB_Drivers_Installer.exe , or QHSUSB_DLOAD .

The file is a critical Windows Setup Information file used to install the Qualcomm HS-USB Serial Driver . It primarily serves as a bridge for communication between a Windows PC and mobile devices powered by Qualcomm chipsets, particularly for specialized maintenance and recovery tasks. Core Functionality qualcomm qcser.inf