My iPhone will not let me turn on wifi
I have never had problems with my iphone, but now when i try to turn wifi on the button won't even slide over!
It literally does not allow me to turn on wifi.
iPhone 4S, iOS 6.1.3
Try the suggestions here to see if they resolve your problem:
http://support.apple.com/kb/ts1559
If these don't work you may have a hardware problem. Visit an Apple store for an evaluation or contact Apple Support.