1.Use  https://portchecker.co/ to check whether TCP port 44158 is open.

2.If  TCP port 44158 closed , to get started with port forwarding, check out https://portforward.com . 

3.recommend enabling TCP Ports 44158 in both directions in your router .

4. If port-forwarding does not resolve this issue, contact your ISP for further instructions. 

Read this online article for more information. https://docs.helium.com/troubleshooting/network-troubleshooting

Network related optimization: 

  • Obtain a public IP address
  • The public IP used by the hotspot must be fixed IP.
  • Register your router and open the port mapping function and map X3 Hotspot 44158 port to the router 44158 port. 
  • Register your router, set up the DHCP and assign a fixed IP for X3 Hotspot.

    Reference video: https://www.youtube.com/watch?v=5UgDMG_g3qI

Reference diagram: