Qualcomm HS-USB QDLoader 9008 Driver is the critical component needed to fix connection issues for Oppo and Vivo devices stuck in "dead boot" or EDL mode
You can extract the 9008 link directly from the official OPPO/Vivo ofp (OPPO) or pds (Vivo) firmware files using a tool called OFP Extract or Vivo Extractor. oppo vivo usb driver fix 9008 link
2. Manual Installation via Device ManagerIf the automated setup fails or the device is shown as "QHSUSB_BULK" with a yellow exclamation mark: Qualcomm HS-USB QDLoader 9008 Driver is the critical