Putting the things together, I tried something else ... I could remove the current address reservation, and then when adding the port forwarding, the app added the address by itself, and now it was...

@Solla-topee I made the upload and I got a reply that the ticket is received by TP Link NL, but there is no ticket ID. The subject of the mail is: Ticket Ontvangen - [Deco App Feedback]...

@HelpFixDecoApp The app is reinstalled this evening, it seems to be one from a month ago... Maybe I should be able to do a rollback to an earlier version (but I don't know how that would be done)....

The App Version is 3.10.175 (not sure before reinstall, but this one is the one I got from Google Play Store this evening)

@HelpFixDecoApp The problems mentioned there are when it's not working ... not when the app doesn't allow changes. So it's an app thing ... The deco itself doesn't have a public address, but I can...

I have a Deco BE3600 for half a year now. Initial setup went well, but now, when I want to modify a address reservation I can't, nor can I add a new port for port forwarding. The app always says it...