Why the device can be controlled in the same network but can not be controlled in different networks?

If the device encounters such a situation, it may be that the device and the phone are connected to the same local area network,But it is not connected to the network (Ethernet, commonly known as extranet).

1. It's a good idea.Please put the phone next to the device and connect to the

same Wi-Fi device.Try to open a web page to see if it can be opened to determine whether Wi-Fi can be connected to the network; It's a good idea.

2.If you cannot access the network, it is recommended to restart the router.

If the device is connected to the network,The above problems, you contact us, we will search for you to solve.