I’m in the same boat as you and have been patiently awaiting the
withholding tax that the Swiss Finanzamt took from my Nestle dividends
for a long time now. I recently received a number of forms for the DBA
Comdirect procedure and completed them and ...
I don’t have a solution but I have a similar problem. Neither the
Comdirect App or the PhotoTAN App work over WiFi (Vodafone). Login via
website works however. No idea…