Wifi connection with iPhones

Hey guys, I have a iPhone 4 and iPad 2 and they connect perfectly and smoothly run on my wifi at home. However when I use my iPhone 3G, it successfully connects but when I actually try to load something on safari for example, absolutely nothing with load. Does any body have any clue as to why this is happening ?

Have you tried the basics of reset, restart, restore?
Have you tried turning off 3G in Settings > General > Network > Enable 3G
If turning this feature off alleviates some of the network issues, then contact your carrier as it would indicate a network problem.
For the Wi-Fi issues... I would also recommend power cycling the router.
Just a nitpicky comment on my part, you are not having problems with a G3 or GS connection because no such thing exists. What you are describing is a network connection issue either with the EDGE or 3G network.

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menphrad@mac wrote:
So does anyone have tips how I can improve the WiFi connection speed for my iPhone and Apple TV?
Use the advice in this thread to investigate the signal and noise levels that each device sees:
http://discussions.apple.com/thread.jspa?threadID=2347845&start=1
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Yes! I just ordered a Wireless USB adapter to try.
We have 33000 sq ft home and in upstairs master is where
It goes to G4 when we try to connect to website.
I'm thinking this might work. We have the wireless router
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I recommend you reset the TC in the following ways.
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Sine IOS6 upgrade my iTunes 10.7.0.21 does not detact my iPhone for Wifi sync.
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What can I do to solve the problem ?
I connected the iPhone through USB, disabled Wify sync, restart, enabled Wifi sync, restarted and iTunes still does not find the iPhone.
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Rick

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http://support.apple.com/kb/TS4562
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Wifi connection with iPhones

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