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Robert RowlandJul 29, 2025
What to do if my Kenwood KDC-X305 says “UNSUPPORTED DEVICE”?
- MMark LunaJul 29, 2025
If you see 'UNSUPPORTED DEVICE' on your Kenwood Car Receiver, first verify that the connected USB device is compatible with the unit and uses a supported file system. You can find information about compatible devices and file systems on Page 31. If the device is compatible, try reattaching the USB device to see if that resolves the issue.