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I have lost Wifi function in my 3G iPhone...

Tcall

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Might anyone have some thoughts on why I have lost Wifi function in my 3G iPhone?

I have "Wifi" on.
I have "reset" the network settings.
And have run the software update from Apple [4.2.1 (8C148)] - and then restored my data; contacts, etc.

Still no Wifi.

Thanks.
 

Benson11

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I think the iPhone user who have jailbroken and unlocked their iPhones and also use blackra1n and blacksn0w they have to face this problems.

If the above doesn’t work then go to Settings -> General -> Network -> Reset -> Erase All Content and Settings.. try this. If you still having problems then finally you may try the last resort is to restore/jailbreak your iPhone again. It would make your phone as new so then you have to reload all your contract and media again i think it would be helpful for you. best of luck.
 
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Tcall

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Thanks Benson. My phone is not jailbroken; it is on AT&T. At the Apple store yesterday they told me the Wifi card in the phone is bad. Even though they told me this do you think an erase and re-load would still be worthwhile?
 

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