Phone keeps saying "iPhone could not be activated because the activation server cannot be reached"
I would like to know why my iphone says "could not activate iphone because of the activation server cannot be reached" and says try using wifi but no networks show or says try again over cellular but doesn't work cause it server could not be reached? I can't even get my my settings or in my phone what do I do? This happened after I reseted my phone..
iPhone 4, iOS 6