Our new Ring system has a sensor that does not show up on the Devices list of my Android Samsung phone or on my wife's iPhone. When I pick Base Station from the Devices list, I do see it there, but not in the regular Devices list, and it is, well, a device. (The Device list has 16 entries; is this the maximum it can show?)

More importantly, when I open the door with that sensor, it does trigger a notification on my phone's lock screen, but not on my wife's iPhone. The trigger event does appear on the Ring history on her phone, and other sensors do trigger a notification on the iPhone lock screen, so I know that the notifications are set properly there.

Are there any settings I can recheck to get this specific device to trigger notifications on my wife's phone 1. like it does on my phone and 2. like the other sensors do on my wife's phone?