What should I do if I cannot connect to WIFI when I upgrade iOS8.3 to ipad air? IOS8.3 unable to connect to WIFI solution steps

Method 1. Restore network settings

On your ios device, clickSettings> General> RestoreClick "restore network settings", as shown in the following figure. However, restoring the network does not affect other options.

After the restoration, we have to re-search for the Wi-Fi user name and password to log in.

Method 2: reset the wireless network positioning system service

We also clickSettings> Privacy> positioning service> System ServiceThen, we can click "wireless LAN networking" to close it, or open it again. The details are shown in the following figure.

Method 3. Others

1. We can try the DNS server.

1. Click Settings> Wireless LAN (Wi-Fi). The details are shown in the following figure.

② Click the blue "I" icon at the backend of the connected wireless network;

③ Select DNS Bar Modification. The white screen failure caused by Appstore loading can be fixed in 114.114.114.114.

Other public DNS: 8.8.8.8 (Google DNS), 208.67.222.222, 208.67.220.220

If this operation still cannot solve the problem of connection failure to wifi or unstable wifi, we can just downgrade ios8.3 to ios8.2. Of course, we can also wait for the official release to fix the problem, this estimation will soon appear.