21-07 Bugfixes and UI Improvements

This software update for the C15 comes with some bug fixes and improvements for the user interfaces of version 20-52 and version 21-02.

IMPORTANT

If you update from version 21-02 you might get the error message Updating C15 FAILED during the installation. In this case the installer needs to be run a second time. Please restart the C15 without removing the USB stick. Now the update should be successful.