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I have had my iphone 4s since the end of March with no problems, yet withing the last week or so it doesn't seem to be able to access the wifi properly, even when it shows me having full wifi signal. I noticed the problem first on facebook but just thought it was a fault with facebook, then i found that i was having connection problems in safari, app store, spotify etc. My laptop still connects fine so i dont think its a problem with the hub. I have tried resetting the network settings, checked for updates, restarted the phone but nothing seems to be working. the connection occasionally works for a couple of minutes then it just goes again. does anyone have any ideas whats wrong and how i can fix it?
I'm having the same problem across multiple networks. My iPad still has connectivity. The two iPhones (3G and 4) can no longer connect to ANY wi-fi spot. Can't even find them.
I'm having the same problem across multiple networks. My iPad still has connectivity. The two iPhones (3G and 4) can no longer connect to ANY wi-fi spot. Can't even find them.
Have you tried rebooting your router? Changing channels, as problems like this can be caused by interference from other nearby wifi networks? Have you recently gotten a new cordless phone, as these can also interfere with wifi?

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