Iphone Wi-Fi doesn't work after 12.2 update?

Since the 12.2 update my phone shows connected to Wi-Fi but the Wi-Fi refuses to work the only things that work with it on is messages and calls i dowloaded the beta for 12.3 but i can't install it without Wi-Fi i've tried everything i'm stuck does anyone know what i should try or what could be wrong?

First I'd try connecting it to a computer with iTunes, and let it sync. Hopefully you have your phone paired with iTunes on a computer. Do you have a backup?

Next I'd try resetting the phone by holding down power and home buttons until you see the Apple icon.

If that doesn't work I'd try restoring the phone from iTunes.

If that doesn't work make an appointment with the Genius bar at an Apple store.

I'd try using other connections to see if it would pick up there as well as resetting the network settings to see if that helps. Also could try reinstalling iOS 12.2.

If all fail, check with an Apple Store.

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