Why does the mydlink Lite App work on a Wi‑Fi connected phone or tablet but not on my 3G/4G Connection?

This could happen due to the following reasons:
1. Your routers uPnP feature is disabled.
2. Your router doesn’t get a proper public IP address from your Internet Service Provider. 
*This is common if your ISP modem is actually a Modem/router combo"
3. The reception of your phone is weak.
4. Your phone provider has a firewall which blocks mydlink (Stunt/Relay) connection.
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