My iPhone 4s will not connect to my home Wi-Fi no matter what suggestions I try. Any suggestions?

So I never had an issue connection to my home Wi-Fi before with my iPhone 4s, until 2 days ago. I have done everything; forgotten the network, reset the network settings, ect. No matter what I read on these forums, nothing seems to really work. I don't know how to do much with electronics and such, so things suggested like with the static IP and all of that, I don't understand.
Please, if anyone can help me, I'd truly appreciate it.

Try restoring your phone through itunes

Try WEP security in your router. Forget the Wi-Fi settings again on your iphone then re-add it. If that doesn't work. Backup your iphone, then restore. If that still doesn't work, restore w/o the backup or try a different Wi-Fi router if possible. Maybe you dropped your phone and it screwed up the Wi-Fi chip inside.

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