TS1398 can't turn my wifi on my iphone 5

My Iphone 5 can't find any wifi at all it stop working this week and i have updated my phone need help !

Un-sync all your music to remove it from the device, then restart (hold down the home button along with the sleep/wake button until you see the apple, then let go). Now re-sync your music.

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TS1398 Can't turn on wifi on settings iphone 4 please help

I can not turn on wifi in settings

Did you already have a look at this article?
iOS: Wi-Fi or Bluetooth settings grayed out or dim

I can't turn the Wifi on my iphone 4s.. Please help me in this

im trying to turn on the wifi but i cant .. and sometimes its on but can find no networks although there are many... tried many things,, like network reset settings,, restoring the iphone and this only happened when i upgraded my iphone into IOS 6 .. please i need to fix this

try this:
http://support.apple.com/kb/TS1559

I can't turn the Wifi on, Satellite L40-18Z

Hi there,
I've been using Satellite L40-18Z but I can't turn on Wifi.
I'm very sure that Tthe device is installed propery and I tried some ways to turn on Wifi device but never turned on. Of course, never catched the signal. Rooter has no problem either.
Deveice manager says ithe device works propery. And the driver is correctly installed. But I can't turn on from windows mobility centre or network setting.
It's very embarrassing to post something like this but I need your help.
P.S. this is the first time I post on this thread but who answers? Toshiba support team?
Thanks,

I have the same problem. Does anyone cope with it? Have my wifi disabled can't switch it on, tried to reinstall it nothing work.
Have it installed and work correctly thru device manager. Wifi can't be enabled and find network, all other devices are working properly. Access point have no limitation or something else in their settings.
Windows diagnostic can't resolve this issue. Shows that "wifi is still disabled on this computer" FN+F8 doens't wotk too.
Any help are more then wellcome.
I suppose this is Realtek RTL8187B Wireless 802.11g 54Mbps USB 2.0 Network Adapter bug within Thoshiba Laptop.
Thanks in advance.
PS
Running Vista Home Premium that goes with laptop. 100 mb network is working ok.
Toshiba L40 - 14G
Model number: PSL48E - 01D01JRU

I can't turn my wifi on with the new iOS software

I can't turn my wifi on with the new iOS software. I've tried resetting the network settings, resetting all settings, and a hard reset.

Read here:
http://support.apple.com/kb/ts1559
If nothing works, make an appointment at any Apple store.

I can't turn off wifi with Control Center

I can't turn off wifi with Control Center after updated ios 7.0.6

It's running
I already checked dmesg and nothing happens. It works with Vista, so...
With my old laptop (it's the same model) brightness didn't work, and now this. I guess i'll wait for a new update

HT4628 I have an iPhone 4S WiFi disabled. I can not turn on WiFi it does not allow...

I have an iPhone 4S WiFi disabled. I can not turn on WiFi it does not allow...
Please help me.

Have you tried pressing the round button and the on/off switch at the top at the same time and holding them till an Apple icon appears? If that doesn';t work, take it back, you are still under warranty.

How can i turn on wifi if he is not activ?

How can i turn on wifi if he is not activ?

http://support.apple.com/kb/TS1559?viewlocale=en_US&locale=en_US

TS1559 I have problem with my iPhone 4s, the problem is i can't turn on wifi, when i go to the setting then to the general and then to the about, i see there is wifi address for my iPhone but still i can't turn it on, please help me

I have problem with my iPhone 4s, the problem is i can't turn on wifi, though i have wifi address in my iPhone setting when i go to the general then about option, i tryed many options like turning of iPhone in airplan mode, reset options, but still the same, its gray button of wifi, please help me.

Hello Pllumb,
It sounds like you are unable to turn on Wi-Fi because the option is grayed out in Settings. Use these steps from the following article named:
iOS: Wi-Fi settings grayed out or dim
http://support.apple.com/kb/ts1559
Restart your iOS device.
Make sure that airplane mode is off by tapping Settings > Airplane Mode.
Reset the network settings by tapping Settings > General > Reset > Reset Network Settings.
This will reset all network settings, including Bluetooth pairing records, Wi-Fi passwords, VPN, and APN settings.
Make sure that your device is using the latest software. To do so, connect your device to your computer and check for updates in iTunes.
If you still can't turn Wi-Fi on, please contact Apple for support and service options. If you can turn Wi-Fi on but are experiencing other issues with Wi-Fi, please see these steps.
Thank you for using Apple Support Communities.
All the very best,
Sterling

I have problem with my iPhone 4s, the problem is i can't turn on wifi, though i have wifi address in my iPhone setting when i go to the general then about option, i tryed many options like turning of iPhone in airplan mode, reset options, but still the s

I have problem with my iPhone 4s, the problem is i can't turn on wifi, though i have wifi address in my iPhone setting when i go to the general then about option, i tryed many options like turning of iPhone in airplan mode, reset options, but still the same, its gray button of wifi, please help me.

Hello Pllumb,
It sounds like you are unable to turn on Wi-Fi because the option is grayed out in Settings. Use these steps from the following article named:
iOS: Wi-Fi settings grayed out or dim
http://support.apple.com/kb/ts1559
Restart your iOS device.
Make sure that airplane mode is off by tapping Settings > Airplane Mode.
Reset the network settings by tapping Settings > General > Reset > Reset Network Settings.
This will reset all network settings, including Bluetooth pairing records, Wi-Fi passwords, VPN, and APN settings.
Make sure that your device is using the latest software. To do so, connect your device to your computer and check for updates in iTunes.
If you still can't turn Wi-Fi on, please contact Apple for support and service options. If you can turn Wi-Fi on but are experiencing other issues with Wi-Fi, please see these steps.
Thank you for using Apple Support Communities.
All the very best,
Sterling

My ip5 can't turn on wifi

My ip5 can't turn on wifi and still lag even after i've already restored and updated from ios 6.0.2 to ios7. What should i do?
this is really anoying! i can't believe that i'm still using ip5

i phone to apple genius, she help me solved the problem.
Intel-based Macs: Resetting the System Management Controller (SMC)
In some situations, you may need to reset your computer's System Management Controller (SMC). Learn how to identify these conditions and to reset the SMC.
Note: It is possible that the SMC could encounter an issue that may cause unusual system behavior typically related to the symptoms described below. In some cases, resetting the SMC may be the only correct method to resolve the issue. However, an SMC reset should only be attempted after all other standard troubleshooting has been performed.
Before Resetting the SMC
Try each of the following steps in this order before you reset the SMC. Test the issue after completing each troubleshooting step to determine if the issue still occurs.
Press Command + Option + Escape to force quit any application that is not responding.
Put your Mac to sleep by choosing the Apple () menu from the upper-left menu bar and then choosing Sleep. Wake the computer after it has gone to sleep.
Restart your Mac by choosing the Apple menu from the upper-left menu bar and then choosing Restart.
Shut down your Mac by choosing the Apple menu from the upper-left menu bar and then choosing Shut Down.
If your Mac appears to be running normally but isn't responding, force the computer to shut down by pressing and holding the power button for 10 seconds. Note: You will lose any unsaved work in any open applications.For Mac portables experiencing issues related to the MagSafe power adapter and/or battery, try:
Unplug the MagSafe power adapter from the Mac and the wall power socket for several seconds.
Shutdown the Mac. Physically remove and re-insert the battery (if it's removable) and startup the Mac.
If the issue is still not resolved after following the troubleshooting items above, an SMC reset may be necessary.

Can't turn on Wifi with my unibody 2008 macbook

can't turn on Wifi with my unibody 2008 macbook after install the yosemite
i need to use lan connection

i phone to apple genius, she help me solved the problem.
Intel-based Macs: Resetting the System Management Controller (SMC)
In some situations, you may need to reset your computer's System Management Controller (SMC). Learn how to identify these conditions and to reset the SMC.
Note: It is possible that the SMC could encounter an issue that may cause unusual system behavior typically related to the symptoms described below. In some cases, resetting the SMC may be the only correct method to resolve the issue. However, an SMC reset should only be attempted after all other standard troubleshooting has been performed.
Before Resetting the SMC
Try each of the following steps in this order before you reset the SMC. Test the issue after completing each troubleshooting step to determine if the issue still occurs.
Press Command + Option + Escape to force quit any application that is not responding.
Put your Mac to sleep by choosing the Apple () menu from the upper-left menu bar and then choosing Sleep. Wake the computer after it has gone to sleep.
Restart your Mac by choosing the Apple menu from the upper-left menu bar and then choosing Restart.
Shut down your Mac by choosing the Apple menu from the upper-left menu bar and then choosing Shut Down.
If your Mac appears to be running normally but isn't responding, force the computer to shut down by pressing and holding the power button for 10 seconds. Note: You will lose any unsaved work in any open applications.For Mac portables experiencing issues related to the MagSafe power adapter and/or battery, try:
Unplug the MagSafe power adapter from the Mac and the wall power socket for several seconds.
Shutdown the Mac. Physically remove and re-insert the battery (if it's removable) and startup the Mac.
If the issue is still not resolved after following the troubleshooting items above, an SMC reset may be necessary.

Can't turn on WiFi or Bluetooth after updating to iOS 7.1.2

I have an iPhone 4S which is only a couple weeks old. After updating to iOS 7.1.2, I can't turn on WiFi or Bluetooth. I have restarted, reset the network and reinstalled the system. It is still grayed out. Any suggestions?

Try DFU mode
http://osxdaily.com/2010/12/04/ipad-dfu-mode/
http://www.imore.com/tip-put-iphone-ipad-dfu-mode
http://www.tuaw.com/2011/05/25/iphone-101-what-is-dfu-mode-and-whats-the-differe nce-from-rec/

TS1398 i can't toggle my wifi to on (iphone 4s)

i can't toggle my wifi to on (iphone 4s)

You haven't provided much information ... specific behavior and symptom, for example.
But you can click on Settings > General > Reset > Reset Network Settings and see if that helps.

Hi all, i can't sync over wifi between my iPhone 4 and Windows 7 64 bit, wifi sync works with the same phone and my Windows 8 machine, tried solutions from other threads with no luck, just thought i'd see if anyone else had any ideas, thanks.

Hi all, i can't sync over wifi between my iPhone 4 and Windows 7 64 bit, wifi sync works with the same phone and my Windows 8 machine so the problem seems confined to Windows 7. I've tried solutions from other threads -
Making sure everything is allowed through firewall
Rebooting phone/laptop/router
Disabling ipv6
Disabling all networks except the one curently on
Re-installing iTunes
Restoring iPhone
No luck with any of those unfortunately so i just thought i'd see if anyone else is still without wifi sync after trying those as well and if you ever found a fix, thanks.

I just wanted to leave a note that it's working now. I'm not sure if it was the latest iTunes update that got it working or that i decided to start a new library instead of using the one i had backed up on Windows 8 (it didn't occur to me to check using the old library when i re-installed iTunes). But if anyone is having this problem, it might be worth trying again with a new installation of iTunes to see if the latest update works for you, and if not, try using a fresh library instead of a backup (by fresh library i mean discard your old library completely and start a new library, not just restore as new iPhone, a whole new library).

TS1398 can't turn my wifi on my iphone 5

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