If your device shows up as or has a yellow exclamation mark in Device Manager, follow these steps: 1. Disable Driver Signature Enforcement
Most modern OPPO/Vivo phones have in stock ROM. Try these methods: oppo vivo usb driver fix 9008 link
Disclaimer: Modifying your device’s low-level firmware voids the warranty. The author is not responsible for permanent damage. Always use original firmware files from authorized service centers. If your device shows up as or has
Risks & precautions