Here in checkout how to Fix Wi-Fi option grayed out issue on your iPhone or iPad – Guide
Wi-Fi option grayed out issue is the common issue which the iPhone or iPad users are facing these days. This issue cause Wi-Fi not available error message on your iPhone or iPad and as a result you will not be able to connect to Wi-Fi network. So if you are facing this issue with your iPhone or iPad then follow this guide and fix it.
Fix Wi-Fi option grayed out issue on iPhone or iPad:
Wi-Fi option grayed out issue may be caused by the jail breaking your device or some other apps. So firstly try to hard reboot your iPhone or iPad. Before proceeding with this method, backup your iPhone data to a safe location.
Update your iPhone or iPad to latest version of iOS. As the updates are rolled out by the manufacturers to fix bugs which were detected on your device and they also bring extra features to your device.
Reset your wireless network settings. To do so, go to Settings > General > Reset > Reset Network Settings. Once done, reboot your device.
Hope any of the above methods to fix Wi-Fi option grayed out issue worked for you.If not then take your device to Apple care and they will fix it for you. Do let us know in the comment section if any of the above methods worked for you.