HT1937 cannot detect wifi

Hi,
My iPhone has suddenly developed a new problem - it is not connecting to my WiFi. All my other devices are connecting so I know that this is not a problem with my router. If I bring my iPhone very close to the router, it does detect the WiFi and connect to it. However if I move 10 feet away, the connection gets lost. My phone is now 2 years old and I have started getting this issues only in the last one month. Is this a known problem with iPhone 4? Or is there some setting at the router level that needs to be changed?

Hi Biswaroop,
Welcome to Apple Support Communities.
You can find some useful suggestions in our Troubleshooting Wi-Fi networks and connections article:
http://support.apple.com/kb/ts1398
Best,
Jeremy

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Subnet Mask:          0.0.0.0
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HT1937 cannot detect wifi

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