1, the WiFi itself is a problem, the WiFi may not be connected properly, resulting in no Internet access, the red light flashing.
2, router problems, the router may overheat or damage;
3, you can restart the broadband to see if you can access the Internet;
4, WiFi name contains Chinese, resulting in some mobile phones can not connect to the Internet;
5, mobile phone system problems, there may be a problem with the system, resulting in connection with the WiFi but can not access the Internet.
Restart the WIFI device after charging the wireless network, so that it won't flash red