IPhone 4S: Wi-Fi problem in Settings app?

This is ridiculous, I was just using my iPhone when it suddenly disconnected from Wi-Fi. I went into the Settings app, I tapped on "Wi-Fi" and it froze there (only the app was frozen, I could still close it). So I close it and tried several times until finally I went into the Wi-Fi setting. It was searching for connections but it just kept searching and didn't even show up my Wi-Fi connection. I tried resetting it by holding down the sleep button (the one used to lock/unlock iPhones) and home button simultaneously but it still didn't work. I've also tried normal restart by first shutting it down and let it boot up again, problem is still there.

What's the steps I should do next? Should I restore my iPhone or wait for it to magically repair itself?

Sometimes it got worse till the whole iOS froze up for about 10+ seconds. Other apps work perfectly fine. Other settings in Settings app are still accessible.

Running on iOS 7.1.1.

If it's Wi-Fi problem out it in freezer for a bit

If there's a software corruption which does happen you may have to restore it. Try this: Settings-General-Reset-Reset Network Settings. You will have to re join your wi-fi network.

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