After downloading and installing iOS update Wi-Fi toggle is greyed out

mok48 Said:

"Wi-Fi known network"

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So, what's the issue?

See if anything here helps...

Troubleshooting iPhone WiFi:

Try these thoughts:

A. Clear Temporary Internet Files:

If connecting is unsuccessful, try clearing out your Temporary Internet Files: History, Cache, and Cookies

Go Here: Clear your Safari Browser History and Set Up Content Blockers on your iPhone, iPad, or iPod touch - Apple Support

and...

B. Try manually restarting your iPhone:

1. Go To: Settings
2. Select: General
3. Scroll to: the Very Bottom
4. Select: Shut Down
5. Slide Finger: to the Right
6. Wait: 30 Seconds
7. Power One: the iPhone
8. Try this Once More

and...

C. Troubleshooting Connectivity:

Wi-Fi: If your iPhone won’t Connect to a Wi-Fi Network - Apple Support

and...

D. Reset your Network Settings:

• Go Here: If your iPhone, iPad, or iPod touch won't Connect to a Wi-Fi network - Apple Support
• Scroll To: Reset your Network Settings.

I am having the same problem. Did you find a solution? I spent 3 hours with apple support and they have no idea how to fix it, they recommend I take it to an Apple Store.

Wi-Fi known network