Dear customer,
We are sorry for the inconvenience this may have caused.
We kindly invite you to:

1. Get to the menu Settings - Apps - Coffee Link - Storage on your smartphone and clear the cache of the app;
2. Once you have cleared the cache, uninstall the app;
3. Power off your smartphone only; DO NOT RESET;
4. Power your smartphone back on;
5. Open Google Play Store;
6. Reinstall the app;
7. Open the app
8. Search for your machine (please be aware this may take some time)
9. Select your machine
10. Enter pin
11. Accept Bluetooth and Tracking 

If your machine is a PrimaDonna Soul , please follow these additional steps:

1. Go to the connectivity settings of your machine and press the reset button;
2. Go again to the connectivity settings and re-enable the WiFi function;
3. 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

[ N.B. ]

The most important step is making sure the customer has accepted Bluetooth & Tracking functions.

Finally, please note that the App cannot be used on iPads or tablets.