SD card content is organized by screen color and resolution
- common files in this folder are common to all radios
- c800x480 (800x480 pixel landscape orientation color screen radios)
- x20/S/HD
- c480x320 (480x320 pixel landscape orientation color screen radios)
- x18
- c480x272 (480x272 pixel landscape orientation color screen radios)
- Horus x10s
- Horus x12s