TS1559 ios 8.1.2 wifi grey on iphone 4s

Hello,
after updated ios to 8.1.2 on my iphone 4s, wifi not working.
Icon of wifi is grey.
I try to resetting network settings but same problem.
I try to restaur ios but same problem.
Thanks tou for your help.
My phone have 25 months...

danyboy2012 wrote:
thank you for your help. I have already tried all that. If it is a hardware problem, and I am more convienced that it is, isn't odd that both of my phones have the same problem after updating software. What are the odds to that? So I believe that software update corrupted my wifi. As I could see I am not the only one with this greyed wifi issue that came with update. I hope you can understand my frustration.
Software cannot damage hardware. However, the process of updating the iOS generates heat from the processor. If the wi-fi chip (and a higher than normal percentage of iPhone 4S units have defective wi-fi chips) is damaged by this heat, the wi-fi will grey out.
It's not the software directly; it's the heat generated indirectly by the processor running at a higher capacity than normal. In essence, it's a defect in the device, either a wi-fi chip that has lower than normal heat tolerance or a processor that generated higher than normal heat.
Hardware, not software. And hardware issues are handled under the normal warranty or AppleCare, whichever you have.

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IPhone 4S/iOS 7.0.4/WiFi Grey Out Issues

My iPhone 4S (64GB memory/ATT) was working beautifully on iOS 5.1.1. WiFi connected seamlessly with Access Points at home, work, etc.
Then I made the mistake of wirelessly updating to iOS 7.0.4. Instantly the WiFi stopped working and the <Settings>, <WiFi> tab was greyed out and non-responsive. Oddly the WiFi tab on the Control Panel was responsive, but did not actually activiate the WiFi chip or open a connection to the WiFi antenna. Accordingly, there is no option to find or connect to a WiFi network.
Most other features appear to work, including the ATT cellular service and Bluetooth connection. However, the iPhone is slow to respond to some apps, For example, tapping <Settings> takes 5-6 seconds for a response whereas with iOS 5.1.1 the response was instantaneous. Also a few apps (even after updating) and a couple of iOS pages now cause the iPhone to go blank for a few seconds or crash.
Sounded like either an iOS or firmware issue to me.
I followed all of the Apple and ATT suggestions, including:
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-Turning the iPhone off, waiting, and restarting.
-Forcing a hard restart of the iPhone by holding the <Silent> and <Home> keys simultaneously for 7 seconds.
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-Checking for a newer iOS (none).
At the suggestion of a couple of ATT support representatives, I tried even more drastic measures:
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-Restoring iOS and firmware using iTunes, and then setting up as a new iPhone.
-Turning off iPhone, waiting while ATT pushed a new switch data pack to iPhone, and then restarting iPhone.
Actually I did all of these "fixes" at least twice with the same result: still a greyed out and non-responsive <Settings> <WiFi> tab with no WiFi signal.
Apple and ATT's ultimate solution was predictable: Buy a new 64 GB iPhone 5 for several hundred dollars (plus numerous proprietary cables) and forget the 47 GB of data, photos, etc. lost beta-testing their iOS and "fixes".
Any "fixes" that I missed or other suggestions?

ChrisJ4203, thanks very much for your input. I don't mean to turn this post into an endless debate, but frankly I am still having a hard time believing that the WiFi died as a result of a hardware failure.
My logic might be flawed, but here it is:
While the iPhone 4S got very hot when wirelessly downloading and installing iOS 7.0.4 over the WiFi network, the WiFi chip and antenna had to be functional to complete the wireless iOS update. Apple was very clear that iOS 7.0.4 is too large to download and install via cellular service. Accordingly it would appear that any hardware failure had to occur in the few minutes between the download/installation of iOS 7.0.4 and its first use. That window of opportunity is incredibly small in an otherwise flawless hardware performance. I am not a big believer in long shot coincidences, so a WiFi hardware malfunction seems highly improbable to me, but not impossible. A firmware/iOS conflict still seems more plausible to me.
I also don't read much into Apple's "out-of-warranty" replacement offer at $199. AT&T tells me that anyone walking in off the street (with or without a hardware or iOS malfunction) would receive the same offer.
I appreciate that some iPhone 4S users did not experience any WiFi issues when they updated to iOS 7.0.4, but such difference could easily be explained if Apple used more than one WiFi chip and/or firmware in the iPhone 4S series. Such an explanation would also account for iOS 7.0.4 (and 7.0.6) not recognizing the WiFi chip after the iOS update.
Still perplexed, but thanks again for your kind efforts to help.
Wonder if I can limp along long enough to spend my money on an Apple iPhone 6 ... but then again I don't want to be anyone's beta-tester.
I am tempted to switch to a Samsung Galaxy or some other smartphone as long as I will be buying new accessories, but frankly I don't want to waste my time learning a new OS or core apps.

TS1398 Updated iphone 4s to ios 7.1.1 - Wifi Greyed Out

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I - like so many - am having the same problems. And they are actually getting worst with the phone starting to freeze. Problems started after 7.1.1 was installed. I have tried all recommendations and nothing works. The only procedure that worked temporarily was putting the phone in the freezer (sounds crazy) but it did work. Why Apple does not want to take responsibility and fix the problem is disappointing.

IOS 6.1.2 WIFI Issue with Iphone 4s

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Go to settings, reset, reset network settings. As the other suggestion said.
If its greyed out here is a link below.
http://support.apple.com/kb/ts1559

TS1559 Cant turn on my WiFi on my iphone 4s HEEEEEELLLLLLPPPPPP

iphone 4s has turned off its WiFi n doesnt let me turn it on my wife has the same problem what can we do about this?

Please don't yell. All CAPS is rude.
Try the article you linked from: http://support.apple.com/kb/TS1559
If it still isn't working, make a backup to iTunes if you don't have one already.
Then, restore as a new device. http://support.apple.com/kb/HT4137
If it STILL isn't working, it's a hardware issue. Contact Apple Support.
ONLY after taking the steps above can you be confident that it is a hardware issue.

TS1559 Why is that my wifi on my iphone 4sbdoes not work? my mobile phone carrier cannot help either

I have already tried the solution posted online. did not work

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Try this support document http://support.apple.com/kb/TS3694 and look at this section.
Unable to contact the iOS software update server gs.apple.com
Error 1004, 1013, 1638, 3194: These errors may be the result of the connection to gs.apple.com being redirected or blocked. Follow these steps to resolve these errors:
Install the latest version of iTunes.
Check security software. Ensure that communication to gs.apple.com is allowed. Follow this article for assistance with security software. iTunes for Windows: Troubleshooting security software issues.
Check the hosts file. The restore will fail if there is an active entry to redirect gs.apple.com. Follow iTunes: Advanced iTunes Store troubleshooting to edit the hosts file or revert to a default hosts file. See section "Blocked by configuration: (Mac OS X/Windows) > Rebuild network information".
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4s ios 6.1.2 wifi disabled,grey

4s ios 6.1.2 wifi disabled.grey.gone.what can i do?

I've the same problem.
I've changed 3 Iphone for this problem.
The only solution is change the telephone and pray... This problem is caused by the IOS update.
My problems started in the same time with the update on IOS 6 and they are still present. I've contacted the apple support and they told me switch telephone.
Do you have any different news?
Manuela from Italy

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My WIFI greyed out after 6.1 update, then my power buttion failed. Basically this update ruined my phone which was working perfectly. Does anyone have any soultions to these problems? Thank you.

Try the suggestions here to see if they resolve your problem:
http://support.apple.com/kb/ts1559
If these don't work you may have a hardware problem. Visit an Apple store for an evaluation or contact Apple Support.

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Lawrence,
My 4 and 3G never suffered the WiFi disabled issue with any version of iOS they ran (I didn't install 6.x on my 4 yet) and I have yet to see it mentioned about any device older than the 4S, which for the record was released 10/7/2011 (a year, 5 months and 13 days) ago
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TS1559 i can turn on wifi via control centre but not via wifi menu (greyed out)as ive restored my phone i cant now enter my wifi password

wifi greyed out but can turn on via control centre but now cant entre wifi passwords as i restored my phone

I would try a restore, but more than likely this is hardware.
I would call apple, and i hope you're covered under warranty because it sounds like your wifi module is no good.

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Dear apple, I am really dissapointed with you. Around January 2013, my iPhone 4s 16GB White has hardware issues, which was the Wi-Fi grey out. The wifi grey out means that I can't access the wifi on/off button, and also it has no connection. I have put up with it for months, until june 7 when I decided it has been long enough, and I got a replacement. I told the genius bar what happened, and I already did the so called "steps" that apple reccommended on the site, which was reset network settings, restore iPhone. The genius bar gave me a replacement phone, so I was expecting that the problem would be over, but it isn't. It seems that it's iOS 6.1.3 which is the case of most public complaints on apple iPhone products. Not even 3 weeks after I got the phone replaced, it is doing it again, so I suspect I'm just going to get a replacement again? Unfortunately I only have until 5th of july 2013 until my 1 year warranty is up. After that, any issue I have, I have to purchase apple care. People are expecting this problem to be fixed but I don't see it being solved any time soon. This is horrible and really low, because I have been a good customer, when I talk to the people at the genius bar, I show the utmost respect I can to them for the work they put into their job, but somewhere there is a problem where something has gone wrong. Because of that, people that only have a one year warranty (which i received because I purchased my apple iPhone at an Optus outlet, once that one year warranty is up, I have to pay for a problem that isn't even my fault? That isn't how it should work, you should be fixing this problem so people can be happy customers and leave happy. Obviously you don't all know how to do your jobs, because if you did, we wouldn't have this problem. I would like a replacement phone, ONCE AGAIN. If this problem occurs again, I will simply stop buying your products, and lose faith in your company, your's sincerely, Jack Maher.

This is a user to user help forum only. You are not addressing Apple here.
My iPhone 4S, iPhone 5, and iPad 2 are running 6.1.3 with no such problem and the same with the overwhelming majority of iOS devices running 6.1.3.

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If not jailbroken, restore the iOS. Most likely there is a hardware problem
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Call Apple Support or take it to an Apple Store.

TS1559 ios 8.1.2 wifi grey on iphone 4s

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