Environment: 4 g networks, the server is running normally,
Equipment: nova 5 I
Weak problem: some mobile devices in the network environment to place one night, after using 4 g network cannot access the specified IP and other network access are normal, if it is 4 g, not with what should be network can't access to ah, ping the IP is no problem in other equipment, switch the flight mode, don't know what the failure of the solution? Or ideas?