For portable usage on repair systems: Place qcusbser.sys and qcusb.inf in C:\Drivers\QDLoader , then reference via pnputil /add-driver . | Version | Date | Changes | |---------|------|---------| | 1.0.0.0 | 2012 | Initial Win7 x64 support | | 2.1.0.5 | 2015 | Added Windows 8.1 support, KMDF 1.11 | | 2.2.0.2 | 2018 | Win10 RS4+, signed with SHA-256 | | 2.3.0.0 | 2021 | Win11 support, removes legacy 9006 support |
# Extract driver files 7z x qdloader_hs-usb_driver-64bit-setup.exe -oDriverFiles Or use pnputil: pnputil /add-driver DriverFiles\amd64\qcusb.inf /install qdloader hs-usb driver-64bit-setup.exe
1. Executive Summary File: qdloader hs-usb driver-64bit-setup.exe Vendor: Qualcomm (usually distributed via OEMs like Xiaomi, Lenovo, or independent tool providers) Purpose: Installs the USB driver for Qualcomm’s Emergency Download (EDL) Mode – a low-level, pre-boot firmware download protocol. Target OS: Windows 7, 8, 10, 11 (x64) For portable usage on repair systems: Place qcusbser