Before attempting any driver fix, ensure you have the correct driver package. Here are the most reliable sources:
If your device can reach fastboot mode, you can enter 9008 mode using a simple ADB command: oppo vivo usb driver fix 9008 link
You can extract the 9008 link directly from the official OPPO/Vivo (OPPO) or pds (Vivo) firmware files using a tool called OFP Extract or Vivo Extractor . Before attempting any driver fix, ensure you have
Download the specific fastboot/EDL flash file for your Oppo or Vivo model. Before attempting any driver fix
Suggested resources (what to search for)
Now that the driver is fixed and you have the correct 9008 link, here is how to revive the dead phone.