Fixing the port is a methodical process: disable signature enforcement, purge old drivers, manually install via Have Disk, and verify with QFIL. While driver conflicts are frustrating, they are almost always solvable without reinstalling Windows or buying new hardware.
If the above steps don't work, you can try using a third-party tool to fix the error code 9008. Tools like or QPST Tool can help you fix the USB driver issue. oppo vivo usb driver fix 9008
Before fixing the driver, you need to understand why it breaks. OPPO and Vivo do not use standard Google USB drivers. They rely on proprietary Qualcomm drivers combined with specific VID (Vendor ID) codes. Fixing the port is a methodical process: disable
To resolve the 9008 connection issue, follow these steps to install the official Qualcomm HS-USB QDLoader 9008 drivers: Tools like or QPST Tool can help you