wifi is not connected to the Internet is the reason for broadband arrearage, so the router will be red, is directly related to the design principle of the router, the router in the daily use of the special use of indicators to prompt the operation of the network, if the router has been connected but not online, and the red light on on behalf of broadband arrearage, need to pay to use
wifi is generally transmitted from wireless network devices such as routers or wireless ap, if WiFi can not be connected to the Internet indicates that the external network of these devices has no, generally a broadband connection to the external network.