Open (Right-click Start button).
Right-click the Windows Start button and open . Expand the Ports (COM & LPT) section.
Windows operating systems do not natively include the proprietary Qualcomm drivers needed to recognize this state. Installing the 9008 USB driver manually forces Windows to assign the device to a specific Virtual COM port, mapping it correctly for authorized Oppo/Vivo flashing utilities like MSM Download Tool, Miracle Box, or OST. Download Links for Qualcomm 9008 USB Drivers oppo vivo usb driver fix 9008 link
Connect your device in EDL mode (usually by holding while plugging in the USB cable). Open Device Manager on your PC.
| Problem | Likely Cause | Solution | |---------|--------------|----------| | Device not appearing at all | Bad cable or USB port | Replace cable; use rear USB port; bypass hubs | | Appears as "QHSUSB_BULK" | Driver not installed | Force install Qualcomm HS-USB QDLoader 9008 driver | | Yellow exclamation mark / Code 52 | Driver signature blocked (Win11 24H2) | Install official signed v1.00.25 or repacked version | | Driver installs but tool doesn't detect | COM port conflict | Restart PC; close other modem/ADB monitoring software | | Device connects but flashing fails | Wrong firmware or firehose file | Verify model number and download correct ROM package | Open (Right-click Start button)
: Common stable versions include 2.1.0.5 or 2.1.1.2 .
When software triggers fail entirely, you must access the physical motherboard. Remove the back cover of the Oppo or Vivo phone. Windows operating systems do not natively include the
Look under . It should display as Qualcomm HS-USB QDLoader 9008 (COMXX) . Common Issues & Troubleshooting
When using tools that require EDL mode. Oppo Vivo USB Driver Fix 9008 Go to product viewer dialog for this item. : Download Links Here are the reliable download links for the Qualcomm HS-USB QDLoader 9008 Go to product viewer dialog for this item. Download Qualcomm QDLoader Driver Go to product viewer dialog for this item. (Official): Qualcomm Driver Installer
If device not recognized or still in 9008