Iphone won't connect to Wi-Fi?

So I have an iPhone 4. Yesterday I dropped my phone and now the Wi-Fi will not even show up as an access point unless I'm within about 2m of the router. I've tried resetting the phone and resetting the network settings. Does anyone know what I can do?

Have you tried looking if the router connects to other devices from far away?
If other devices can connect from anywhere else, try fresh restoring your iPhone through iTunes.

If the problem is still there, there's a good chance your Wi-Fi antenna was damaged in the fall.iFixit has a pretty good walkthrough of how to replace it.
http://www.ifixit.com/...nna/6846/1

Hope that helped!

Http://www.ifixit.com/Answers/View/118636/iPhone+4+WiFi+not+working+(doesn't+see+any+network)

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