Well I have to say, dealing with their customer service team has been great. They've been very supportive and are facilitating my product exchange. Judging by the lack of negative reviews on Amazon,...

@MrChuter spoke too soon, still not working. Back to support.

Hi all, I have had an email advising of a new firmware release. I've installed and rebooted the doorbell. Still needs a day or two or testing but seems okay. @DSTP123

@Kazbop Their email tech support are going to send a firmware update to mine to see if it resolves. Just waiting on a confirmation as to when.

@Wayne-TP I have been having these issues and now contacted support for a warranty claim. Do you know the turn around time on responses currently? Also if the TD21 is broken, will they issue a...