Please check the following reasons:
- It may be because your camera has been offline. Please ensure that the camera has enough battery power and keep it online.
- Poor network connection may affect interconnecting streaming. It is recommended that you move the camera to a location with a better network environment.
- Unstable network connection of your smartphone may cause this issue. Please ensure that your smartphone can surf the internet well.
- Wi-Fi router was dead. Please check your router and ensure that it has enough battery.