: If successful, the entry will move to the "Ports (COM & LPT)" section in Device Manager. Troubleshooting the "Hard Brick"
The term "QUSB_BULK_CID" is a generic identifier used by Windows for a Qualcomm chipset device that is waiting for instructions in its most basic boot state. Without the proper drivers, the PC recognizes the hardware but doesn't know how to interact with it, preventing you from using recovery tools like , QFIL , or the OnePlus Restore Tool . How to Install the Correct Driver qusb bulk cid driver
: For devices like OnePlus or Xiaomi, you can often use an "unbrick tool" (MsmDownloadTool) once the driver is installed to wipe the device and reinstall the factory OS. : If successful, the entry will move to
This usually happens when the device has "hard-bricked" due to a failed software update, corrupted firmware, or a hardware failure in the memory component. To fix this, you must install the correct Qualcomm HS-USB QDLoader 9008 How to Install the Correct Driver : For
.inf file (often found in a "Qualcomm" or "QDLoader" subfolder). Choose from the list and click Next .
Open Command Prompt as Admin and run: bcdedit.exe -set loadoptions DDISABLE_INTEGRITY_CHECKS followed by bcdedit.exe -set TESTSIGNING ON . :
: On Windows 10 or 11, you may need to disable integrity checks so Windows will accept the unofficial or older Qualcomm drivers.