Internet on my IPhone 4S isn't working?

So basically, I've been having problems with my internet today- and not just on my IPhone. But, I have managed to fix the internet problems for my laptop and computer ( luckily ). However, my IPhone 4S will not connect to the internet. It's never had this problem before. 3G is working perfectly fine on it, it's just whenever I try to use my home internet on my phone, it doesn't seem to be working.

I don't understand, because the home internet is working as we speak! I'm using the home internet to type this in. And it's always worked on my IPhone before, so I don't know why it isn't today. I've tried resetting my network connections on my IPhone twice today already, but that seems to have had no affect. I don't really know what else to do. I've tried turning my phone on and off, but nothing seems to be working as of yet.

I would really appreciate it if you guys could give me any advice on what to do. And if you do have advice, please tell me with clear and simple instructions.

What carrier are you on?

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