Video Doorbell Pro suddenly broken

Hello, My Ring Video Doorbell Pro (roughly 5 years old) suddenly does not connect to the network and has exhibited a few strange symptoms, and I’m having trouble figuring out what to troubleshoot next. Symptoms: iOS app Device Health: Status Offline, Last Reported Signal Strength 31 Error code: P1-78 When ringing the doorbell, there is roughly a 25 second delay between pressing the button and hearing the house’s built-in doorbell noise. The Ring doorbell does not make its Ring specific noise and no mobile notification is triggered. When I follow the steps to reconnect the device to wifi, I remove the faceplate and press the side button to try to get the “spinning white light”. I press the button, white light is NOT spinning, and the App asks what the doorbell is doing (3 choices): “Spinning White”, “Flashing Blue”, and “Nothing”. The doorbell has a solid white light on. It’s definitely not doing “Nothing” because the suggestion for “Nothing” is that the doorbell doesn’t have power, but it clearly does have power as the light is on, and also there is periodically a voice (once per minute?) saying the door is attempting setup. What is wrong with our doorbell? Is it broken beyond repair?