wifi option disabled in settings
Hello,
i have a brand new iphone 4s. recently while using my phone over wifi suddenly my phone got disconnected from the wifi. i checked in the settings and there saw that the wifi option was greyed out. i couldnt select it at all. it was like the option fir wifi was disabled. i couldnt go into the wifi option in settings to turn it on or off. this is big inconvenience for me. please help.
thanks & regards
iPhone 4S, iOS 5.1.1