Click . Select Ports (COM & LPT) or Universal Serial Bus devices .

.inf file (often found in a "Qualcomm" or "QDLoader" subfolder). Choose from the list and click Next .

Upon reboot, press or F7 to select "Disable driver signature enforcement." Step 2: Download and Extract the Qualcomm Driver Package

This usually means the driver is missing entirely. If you see this, your device is likely in . Follow the manual installation steps above to map it to the "Qualcomm HS-USB QDLoader 9008" interface. 2. Error Code 10 or 43 This usually indicates a cable or port issue.

This article provides a comprehensive overview of what the driver is, why you need it, and a step-by-step guide to installing it on Windows to restore your device. What is the QUSB Bulk CID Driver?

The QUSB_BULK_CID entry in Windows Device Manager indicates a Qualcomm-based device has entered Emergency Download Mode (EDL) due to a hard-bricked state or failed firmware update, requiring the installation of the Qualcomm HS-USB QDLoader 9008 driver. Manual driver installation, often requiring disabled driver signature enforcement, allows tools like QPST or MSM Download Tool to restore functionality. For a guided walkthrough on installing these drivers, watch this YouTube tutorial OnePlus Community Fix QHSUSB_BULK brick, on the OPO - OnePlus Community