[QUOTE=PMaff;1156154]Lumia phones seem to be a nightmare:

"Talking about preferences, is it possible to install an individual ring-tone? If yes, how, it is not obvious.

Hi,
You are asking in the wrong place,
Take a trip over to Nokia dot com and click on Discussions, there you will find the Nokia Winphone section with a answer to your ringtone question and anything else Lumia related.