My iPhone 4S is unable to connect to my home Wi-Fi?

When I got my iPhone 4S, the Wi-Fi connection was working perfectly! Then, yesterday I kept trying to connect to my home internet Wi-Fi, but it kept giving me a message that said: "Unable to connect to *insert Wi-Fi network name*." I tried turning it on and off, and setting it to airplane mode and everything at least 80 times, but it still kept giving me the same message. I follwed almost every step on every Apple Help forum there's to try and fix this problem, but none of them were working! I stood literally an inch next to the router every time I attempted to connect it again, so I know for sure that nothing is blocking it. Finally, I went under Settings > General > Reset, and went to Reset Network Settings. I thought for sure that this would work, but it got only worse! I tried connecting to my home Wi-Fi again after my entire phone reset, I typed the correct password to my Wi-Fi at least 400 times, but I still keep getting the message "Unable to connect to network!" Exactly how can I fix this problem? I've searched everywhere, and tried every single method I could find, but still no luck. If there's anyone that knows any possible reasons why my phone won't connect to my Wi-Fi, please let me know As soon as possible.

If your phone is not connecting to your Wi-Fi no matter what you do with it then it sounds like the router is having issues. I would try turning the router off and leaving it off for about a minute then turning it back on and see if that helps.

Doubt its any issues with the phone but the router. Listen to KC

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