The issue is likely with the app or cellular network rather than the camera itself. Make sure cellular data is enabled for the D-Link app in your iPhone settings,
нулс бравл Low Data Mode is off, and the app has permission for Background App Refresh and Local Network Access. Also, ensure the app is updated to the latest version, and try signing out, restarting your phone, and logging back in. If it still doesn’t work, check your router’s UPnP and firewall settings, as remote access relies on them, and test from a different mobile network to rule out carrier-related restrictions.