Why mobile phones don't even have WiFi:
1, wifi password input error, please check the password;
WiFi password This is the lowest error, your password is not correct to ask what the question, this I do not say more.
2, WiFi signal is too bad, not normal connection;
Signal difference this refers to only one case of signal, such a lattice is generally not able to brush the Web page, not to mention the Internet, this is a signal is not good to change the signal can be resolved.
3, access to wireless devices too much, mobile phone can not access WiFi network;
In some public places, too many connected devices can easily cause the wireless devices behind them to fail to connect. For example, ordinary routers, generally can meet fifty or sixty users to connect to use, if the number is too much, more than the user will be connected to the situation, the equivalent of being rejected by the router.
4, the router administrator set up WiFi security, need to audit before you can connect.
The router is bound by a Mac or your IP is blocked by the administrator in the router or limit traffic, which can cause you to connect on the Internet is not normal reasons.
5, WiFi network problems;
If the WiFi network itself has problems, such as improper settings or network problems, will also lead to new devices can not be properly connected;
6, the mobile phone setup problem.
Mobile phone problem If all have no problem but the mobile phone can not network, solution reset can be solved, very simple.