First, make sure your home network is connected; Whether computers can be connected to the Internet; If the router cannot be restarted, try 1. If the computer, mobile phone and other devices can surf the Internet normally, the ipad cannot; First, ignore the wifi in the ipad and reconnect it; We still can not connect to check whether the ssid number of the wireless router is Chinese; If it is changed to letters and numbers; Mobile phones sometimes can't recognize Chinese effectively:
2, if the above can not be solved: we set a static ip for the mobile phone; Inside the wireless Settings;
3, the ipad system has not been upgraded for a long time will also affect the wifi connection;
4, the wireless router supports between 15-20 wireless devices; When the number of connected wireless devices exceeds the maximum number, even though you are connected to wireless; But you have wireless Internet access; At this point you can unplug the wireless router; After 10 minutes, turn on the wireless router 5, the above methods will not work, then you have to restore the ipad factory Settings!
It is recommended that you try the following:
1. Mobile phones and tablets are connected to the Internet using DHCP by default. Ensure that the HDCP service is enabled on the router.
2. Whether the SSID of the wireless network is in Chinese, you can change it to an English name.
3. Whether other devices are connected to WiFi normally, if other wireless devices can not be connected, it is recommended to reset the router;
4. If other devices can connect to WiFi normally, check whether third-party security software is installed in the mobile phone or tablet, uninstall it and restart it.
5. Go to Settings --WLAN-- Advanced Settings -- Maintain WLAN network connection in hibernation state -- set to \"Always\";
6. After backing up data, restore factory Settings, upgrade to the latest system version, and try the connection again.