I do not know if @EskeRahn made some push or @Erik read this thread, when @Rob. S. tagged him, but with some magic help after several weeks of silence Support team amazingly replied me that evening. Unfortunately just announcement, that they apology and I have to wait. So in conclusion:
first contact: 22.2.2021
pictures of corners and whole phone wanted, sent 23.2.2021
then I needed the phone very much, so i somehow made it even with the ghost touchy display.. On 9.4.2021 the phone was sent on my own costs.
several e-mails about when it will be, in total 6 outgoing mes