Turn Wi-Fi Off And Back On Again

There are two ways to turn Wi-Fi off and back on again:

Turn Wi-Fi Off And Back On Again In The Settings App

1. Open the Settings app.
2. Tap Wi-Fi.
3. Tap the switch next to Wi-Fi.
4. You’ll know Wi-Fi is off when the switch is gray.
5. To turn Wi-Fi back on, tap the switch again.
6. You’ll know Wi-Fi is on when the switch is green.

Turn Wi-Fi Off And Back On Again In Control Center

1. Swipe up from below the bottom of the screen to open Control Center.
2. Tap the Wi-Fi  icon.
3. You’ll know Wi-Fi is off when the  icon is black inside of a gray circle. 
4. Tap the icon again to turn Wi-Fi back on.
5. You’ll know W-Fi is on when the icon is white inside of a blue circle. 

Why this works:

Turning Wi-Fi off and back on again can sometimes fix minor technical issues that may causing your problem.