@Anric It's ok to control the loads only with the Tapo, not to use a physical switch - leaving the S1/S2 no connections.

@24thMoment Do you remember the old WiFi name and password? Make the old WiFi signal available again, see if the doorbell can reconnect it successfully. When it returns to the normal state, you can...

@Tommy-65 If you're using an Android phone, this might be possible, as some brands or phone models allow users to configure different alert tones for different apps. Check your phone settings to see...

@WayneG78 Did you proceed with the RMA with our support team? I would recommend reporting the problem to them and let them assist.

@Error-505 I don't quite understand your ideas here. Can you share some examples with pictures? Are you referring to something like this?

@micky001 Can you share your settings here? I can't tell what the question is you're asking here.