If you don't receive push notifications from Logitech Circle, follow these steps: After each step, check to see if the problem has been fixed.

1. Check whether the smartphone or tablet is connected to the Internet.
2.  In the Home App, under "Smart Home" tab > "Logitech Circle" > "Settings", turn on the "Surveillance notifications" switch.
3.  In the Home App under "Smart Home" tab > "Logitech Circle" switch on the "Surveillance" switch.
4.  Under iOS: "Settings" > "Messages" > "Home App" activate the "Allow messages" button.