DLNA server network

DintPlay automatically scan DLNA servers from the same network your Apple TV connected to, if the expected DLNA servers not appearing, there might be some network configuration issues of the DLNA server need to resolve first.

Jellyfin

For Jellyfin, please launch its web UI, go to Dashboard -> Networking, change the value of configuration Bind to local network address. Enter your Wi-Fi IP address along with 127.0.0.1, for example if your IP address is 192.168.0.101, the result should be the two addresses separated by comma, like this:

192.168.0.101, 127.0.0.1

After the editing, click Save to save the changes.