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after upgrade my iPhone 4S to iOS 7.1 I have no Wifi, after wake up from sleep!!

Hi,

after upgrade my iPhone 4S to iOS 7.1 I have no Wifi, after wake up from sleep!! It takes several minutes until it workes proberly again. I was yesterday already in the Apple store and they made a service install of iOS 7.1, where the complete iOS was installed new instead of just updating it. Also the settings menu is not reacting during this time. somtimes the complete iOS is not reacting. If this occures only a hard rest is solving and then the Wifi stack is working well until is sleeps again. Then the problem starts again.

Does anyone raised already a ticket at apple or has a solution? A downgrade to 6.1.3 is not possible/allowed, but this would help.

THG

iPhone 4S, iOS 7.1

Posted on Mar 13, 2014 7:47 AM

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Collardgreen

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Posted on Mar 13, 2014 7:12 PM

I had the same problem and these are the steps I used to fix my wifi from not working. I found this on the net so this is not mine. I did 1-3 and then mine started working and so far so good:

1- iPhone WiFi issues? Reboot your device!

Well, I assume most of you have already tried that but in case you haven’t, simply press and hold the power key along with Home button until you see the Apple logo appearing again. If it solves the iPhone WiFi issues, congratulations. You had it the easiest way!

2- Reset network settings:

Resetting network helps in some 60 – 70% of cases suffering from iPhone WiFi issues. Go to Settings > General > scroll down to Reset, and thentapon Reset Network Settings. If you are on a secure network, it will ask you pass keys.

3- Check router:

Perhaps the issue is not with your iOS 7 updated device, but your internet connection? Before proceeding to the next fix, make sure your network is working fine and so is the router / modem. Try same network on your other devices to ensure that it is working fine.

If all is good with network and network equipment, proceed to the very last option.

4- Restore iPhone – Gah!

If you don’t seem to solve the iPhone WiFi issue using any of the above checkups, final resort is to reset your Apple iPhone. Resetting Apple device sort of cleanses your device so it will come out all clean and error-free like new.

To reset your iOS 7 device, head over to Settings > General > Reset, and tap on the Reset All Settings. You can also reset your device from iTunes. The option Restore iPhone will show up once you connect your device with the computer.

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107 replies

Aug 20, 2014 2:38 PM in response to THG20

I tried (4s)

1. resetting Network Settings = still gray Wi-Fi option

2. resetting All Settings = still gray Wi-Fi option

3. Power off/on phone = still gray Wi-Fi option

4. turned on "iTunes Wi-Fi sync" = still gray Wi-Fi option

5. reset SIM card = still gray Wi-Fi option

6. reset router

7. heated with hair dryer, powered off, placed in ziplock bag in freezer = black Wi-Fi option

The Wi-Fi option showed black and was able to be turned on ONLY after being placed in the freezer. I was not able to connect to my home Wi-Fi even though it came up as an option. Once the phone warmed up the Wi-Fi option was grayed out again and not able to be turned on.

The option has been grayed out for 2 months now. I haven't been able to use ANY network. I try every couple of weeks to see if it will work. I really don't want to change brands only because I like using facetime with family, but since Wi-Fi hasn't worked I don't have facetime anyway. I loved my phone for the first 1.5 years I owned it and recommended it to family. Not anymore.

Good bye Apple, Thank you.

Monti G

Level 1

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Nov 3, 2014 7:37 PM in response to martin1053

Many others have the same problem, but Apple do not care..

after upgrade my iPhone 4S to iOS 7.1 I have no Wifi, after wake up from sleep!!