We are sorry for the inconvenience this may have caused.
We kindly invite you to:
1) Uninstall the app on your iPhone;
2) Open your App Store;
3) Reinstall the app;
4) Go to the connectivity settings of your machine and press the reset button;
5) Go again to the connectivity settings and re-enable the WiFi function;
6) Open the app and repeat the machine configuration.
If the problem persists, please contact us via our web form or to the phone number you will find in the "Support" section of our website www.delonghi.com.
De'Longhi Customer Care