Qusb — Bulk Cid Driver

It allows tools like the MSM Download Tool or Qualcomm Flash Image Loader (QFIL) to rewrite the device's software. How to Install the Driver

The acts as the bridge that translates this generic hardware ID into a functional communication port, typically labeled as Qualcomm HS-USB QDLoader 9008 under the "Ports (COM & LPT)" section of Windows Device Manager. Why is it Necessary? qusb bulk cid driver