Wi-Fi won't won't work on iPhone 4s after ios6 update

I have tried resetting my network settings that didn't work then proceeded to reset all my settings but yet it still didn't work. When i tap on Wi-Fi it will not let me turn it on its all grey and blurred out. I have tried everything possible. Any suggestions or know how to fix this problem?

I hate the update! I just did it yesterday and my Wi-Fi was messed up too. I just went to iTunes on my computer reset it all then synced it back. That worked for me

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