The reasons why your phone cannot access the Internet when it is connected to WiFi are:
1, the WiFi itself is a problem, the WiFi may not be connected properly, resulting in no Internet access.
2, router problems, the router may overheat or damage.
3, may be broadband arrears, resulting in no Internet access.
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. Suggested solutions: 1, use other mobile phones or devices to connect to WiFi to try to access the Internet, to eliminate the problem of WiFi itself. 2, restart the router to try, or restore the router to the factory Settings, and then re-dial the Internet, and reset the WiFi according to the setting wizard, or replace the new router and dial up the Internet. 3, contact the broadband customer service, confirm whether the broadband account is abnormal, such as arrears, recharge the broadband, and then try dial-up connection. 4. If the name of WiFi contains Chinese, it is recommended to change it to English or a combination of English and numbers before connecting. 5, if the above reasons are excluded, so long is likely to be the mobile phone system problem, it is recommended to restore the factory Settings or brush to see if the problem can be solved.