(Link Topic) - troubleshoot if router/modem changed Jimmy Wang August 14, 2020 17:16 Updated If you are using the Mobile App NVMS7000 but your router/modem changes. You can visit the Port Forwarding section. Port Forwarding / DDNS Related articles What is the Port Forwarding & Requirement? DDNS - DVRLists.com Account Registration & NVR Setup How to enable UPNP to perform the Port Forwarding without accessing the router? Xfinity xFi Port Forwarding Live View - Functions