My iphone 4s won't recognize any Wi-Fi networks?

Recently my iphone 4s stopped recognizing any Wi-Fi networks, i did some research and seems that a lot of people have this problem howeverthe new iOS 6.0.2 update is only availible for iphone 5 and ipad mini.
I have pretty much tried everything that i can possibly do to try and fix the issue but nothing works.
Does anyone else have this problem? And do you know how i can fix this issue?
And does this mean my Iphone 4s is broken? Or it can't be fixed?

If the phone is still under warranty, take it to apple and have them fix your phone.

I'm having the same problem and I've had my phone less than 3 weeks! Just stopped using any Wi-Fi network today. So frustrating!

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