Check on your smartphone that the Home + Security app notifications are enabled Note: Some Android manufacturers limit the functionality of background apps to maximize battery life. This may prevent you from receiving the Home + Security apps As an example, on this link you can find the procedures https://dontkillmyapp.com/ (Legrand Netatmo Bticino is not responsible for the content of this site) Finally, remember that even a poor quality Wi-Fi signal can cause notification problems.