((hot)): Fdl2 Failed

High-speed data writing is sensitive to interference. Try a USB 2.0 port (rather than 3.0) and use the original manufacturer's cable if possible.

To resolve this, technicians often recommend verifying the exact device model to ensure the .pac firmware file is an identical match, or switching to more modern utilities like spd_dump that provide more verbose logging to pinpoint whether the failure is due to a signature mismatch or a physical connection issue. fdl2 failed