HT201270 My iPhone 4 wifi won't turn on

My iPhone 4S wifi and bluetooth won't turn on.  Any fix for this?  I tried remote wipe and then restore from the PC but the issue is still there.  I've also tried to reset all settings and reset network settings but the issue is still there. 

My 4s also grayed out the wifi setting a couple of weeks ago.  I called technical support and the guy _insisted_that there is no known problem with phones with respect to IOS 6.  He told me to reset the phone and restore and that would probably solve all my problems.  Really, there is nothing wrong with the phone, he told me.  I had tried just about everything else I had found on-line.  The complete erase and restore did not work.
Then I went to the Genius Bar and they tried a few things (more resets) and they concluded wifi is not functioning but since it is out of warranty, they want $199 to replace it.   $199 is not the cost of a new phone so obviously there is some concession here but not a complete acceptance of responsiblity. The Genius Bar told me that - in fact - that there is a known firmware problem with the phones and IOS6 that crops up randomly.  Not with a lot of phones, just the unlucky few.  If it is out of warranty, you have to pay.  Fortunately, I had an extended warranty with my credit card so I can get reimbursed.
My next purchase is going to be an android tablet. I'm going to wean myself away from the Apple orchard.  I want to expand my options for my next phone purchase.

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    My IPhone 4S wifi won't turn on. Wifi button is gray. I have tried restart and very briefly the wifi will work. Any ideas??

    My 4s also grayed out the wifi setting a couple of weeks ago.  I called technical support and the guy _insisted_that there is no known problem with phones with respect to IOS 6.  He told me to reset the phone and restore and that would probably solve all my problems.  Really, there is nothing wrong with the phone, he told me.  I had tried just about everything else I had found on-line.  The complete erase and restore did not work.
    Then I went to the Genius Bar and they tried a few things (more resets) and they concluded wifi is not functioning but since it is out of warranty, they want $199 to replace it.   $199 is not the cost of a new phone so obviously there is some concession here but not a complete acceptance of responsiblity. The Genius Bar told me that - in fact - that there is a known firmware problem with the phones and IOS6 that crops up randomly.  Not with a lot of phones, just the unlucky few.  If it is out of warranty, you have to pay.  Fortunately, I had an extended warranty with my credit card so I can get reimbursed.
    My next purchase is going to be an android tablet. I'm going to wean myself away from the Apple orchard.  I want to expand my options for my next phone purchase.

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    My wifi won't turn on, on my iPhone 4S

    Have you done a reset?
    http://support.apple.com/kb/ht1430 (second panel).

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    Apple thinks this was acceptable to have older devices be affected by the fall out...
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    Hi John,
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    http://support.apple.com/kb/ht3964
    If this still doesn't help, it would be time to take it in to be looked at.  You can setup an appointment at a Genius Bar by clicking on the following link:
    http://www.apple.com/retail/geniusbar/
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    hello.
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    "I'd rather be hated for who I am, than loved for who I am not." Kurt Cobain (1967-1994)

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