Ethos v1.5.7 and X18, X20 series User Manual
It would also be prudent to eject the drives manually before unplugging the USB
cable.
Updating the Audio files
Select the ‘Write outdated components’ or ‘Write audio files’ option, then
click on the dark grey update button next to the selected option.
The update audio progress messages will be:
◦ Downloading English audio pack… (or your selected language)
◦ Copying English audio pack to radio…
â—¦ Update Successful!