> The way "Smart Diagnosis" in the app works with the WM3400CW is that the washing machine sends the data to the app acoustically. Press the button sequence to

> The way "Smart Diagnosis" in the app works with the WM3400CW is that the washing machine sends the data to the app acoustically. Press the button sequence to start a diagnosis on the washing machine and it sounds very similar to an old analog modem. The app listens to that with your phone's microphone. This sounds far, far better to me - and just goes to show it's not necessary for everything to be connected to the Internet...