⚠️ WARNING: Docomo 5G HR01 does NOT receive a global IP. The WAN IPv4 is
10.*.*.*, so even if you open the ports, you cannot access your LAN network from an external network.
This is just a note for future when Docomo give your HR01 a global IP (probably will be IPv6).
Port Mapping
http://web.setting/mifi-router_setting_port_mapping.html