My IPhone 4S Won't connect to my Home Wi-Fi?

I have an IPhone 4S and I recently went out of town for a couple of days using 4g the whole time. When I came back I turned the Wi-Fi setting on my phone on and it was trying to connect to the network but all that happens is I get the spinning loading wheel In front of the network name. I have tried hitting forget the network and reseting network settings but none of it works. I'm positive I've entered the correct password. There's not a problem with the router because all the other cell phones in the house all work just fine on the network.

Reset your router, set it back up again and see if you can connect.
If that doesn't work, try selecting "other network" instead of your home network, then re-enter the name and password of your home network.

It must still have a hangover on the 4G. Try turning off your phone then turn it on later, it might do the trick. If it's still on the spinning loading wheel, just let it, it will stay there for a couple of minutes(or hours) but it will connect to your Wi-Fi.

Go to settings then click Wi-Fi and find your network in the list and select it and put in the password/wireless key if your network has one, or go to your carrier and tell them to take a look at it and explain it to them in detail

Try these:
http://appletoolbox.com/2011/12/iphone-wi-fi-not-working-fix/

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