Xhci-unsupported.kext Exclusive Jun 2026

: It uses a lower IOProbeScore than native macOS drivers, meaning it will only "take over" if macOS doesn't already have a higher-priority native match for your hardware.

Note: For boards, this kext is typically only needed for versions older than macOS Mojave (10.14). AMD-based systems do not require this kext. Technical Characteristics xhci-unsupported.kext