In rare cases, setting Wi-Fi network on the iPhone, iPad or iPod touch may be inactive or grayed out. If you go to Settings -> Wi-Fi, the toggle switch is turned off without the possibility of activating a wireless connection.
If this happens, iOS-device does not allow to use interface Wi-Fi. The operating system iOS 7.1 in the control message may appear «Wi-Fi is not available." How to solve the vexing problem? First, make sure that the toggle "Airplane" is set to "Off." By going to the main section of the iPhone and iPad. After that:
1. The latest version of iOS
The first thing to do in such a situation - to check that the device is installed current version of the operating system. With every update Apple fixes system errors, makes the OS more stable. After the transition to the latest OS problem may resolve itself. Go to Settings -> General -> Software Update. Here you should see the message "found the latest software." If the device can not access the Internet, connect the gadget to the computer and check for updates in iTunes.
2. Make a hard reset
Solve the problem of inactive indicator of Wi-Fi will hard reset the device, which resulted in resets the time data. To make a Hard Reset, you need to simultaneously press and hold the top button «Power» and click «Home». They need to hold together as long as the display shows the logo of Apple.
3. Reset the network settings
In situations where the Wi-Fi setting is grayed out, can give results reset the network settings.Operation is simple and it is possible to do at the gadget. Follow the procedure in Resetting the main menu iOS. To do this, go to Settings -> General -> Reset -> Reset Network Settings.So you "reset" all network settings, including information about the connected devices Bluetooth, passwords, Wi-Fi, and VPN settings and APN.
4. Complete recovery iOS
If resetting the network settings did not help, you need to perform the operation to return the iPhone and iPad to its original state - reset the operating system. To clean the mobile device is available via iTunes or means of the OS. In the latter case, go to Settings -> General -> Reset. Here you have different options to "reset" the system.
5. Repairs
If none of these solutions work, probably we are talking about hardware failure. The most likely problem with the module itself Wi-Fi. To determine the specific problem, you must apply to the representatives of Apple for support and maintenance, or the nearest service center, where specialists will perform diagnostics and repair of the machine.