Several iPad Air owners have reported a variety of iPad Air 2 Wi-Fi problems. These include wireless network (Wi-Fi) connectivity issues, ranging from slow Wi-Fi to dropping connections. If you are having Wi-Fi connectivity problems while using your iPad Air, here is how you can troubleshoot:
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Fix Your iPad Air 2 Wi-Fi problems
1.Restart your iPad. To do so, simply press and hold the on/off button until you see the red slider, then slide the slider then again press and hold the on/off button until you see the Apple logo.
2.Turn off and back on your Wi-Fi by going to Settings > Wi-Fi.
3.Tap Settings > Wi-Fi and locate your Wi-Fi network from the list and tap on the (i) button then Forget This Network.
4.Reset network settings by tapping Settings > General > Reset > Reset Network Settings. Please understand that resetting network settings will erase your saved passwords.
5.Disable Wi-Fi networking services by going to Settings > Privacy > Location Services > System Services > Wi-Fi Networking.
6.Try changing the DNS servers on your iPad. You may try Google DNS. Simply tap Settings > Wi-Fi then find your Wi-Fi network and tap on the (i) icon. Now tap on the DNS numbers to edit and enter 18.104.22.168
7.Restart your Wi-Fi router.