This is the 04 version of the Apple IIc ROM. It was the last ROM released for the IIc. It contains several Firmware fixes which are listed >HERE<.
Comes with installation instructions, listed >HERE< for review.
The ROM file is also available >HERE< for free if you wish to burn your own.
This ROM can NOT be used in the IIc+. Also note that pre version 0 systems will need a simple modification described in the included instructions.