Clarion Navigation In-Car Entertainment - Manual (Page 116)

Chapter 8: Care and updating 116
When trying to update firmware,
the unit displays, “OS Update File
can’t be found” To update, you need the update
software on portable memory
storage in the USB 1.1 (Host) port.
See “Updating the firmware” on
page 111. Double-check all connections.
Description Probable Cause Remedy