Check if Home + Security app notifications are enabled on your smartphone. Note: Some Android manufacturers limit the functionality of background apps to increase battery life. This may prevent you from receiving Home + Security notifications. For example, you can find ways to do this at https://dontkillmyapp.com/ (Legrand Netatmo Bticino is not responsible for the content of this site). Finally, keep in mind that poor Wi-Fi signal quality can also cause notification issues.