You can easily delete files from your Kompakt using Mudita Center. Follow the steps below to remove unwanted content
Open Mudita Center and connect your Kompakt to your computer.
Under Your Kompakt, click Manage (Music, Photos, or E-books).
Navigate to the files you want to delete.
Select the files using the checkbox.
To select all files, click the minus icon checkbox at the top of the screen.
Click Delete.
Confirm by clicking Delete file.