Yesterday I have updated my iOS 6.0.1 after I am not able to use personal hotspot. After clicking on it, it is still loading can any one tell me how to use it I am using iPhone 4 with iOS 6.0.1
Try Here > http://support.apple.com/kb/TS2756
Perhaps... Reseting Network Settings
This is from another apple user but fixed my issue.
I figured out the issue. Turn off FaceTime over cellular, restart the iPhone and the tethering works. Somehow turning on FaceTime over cellular breaks tethering.
Retrieving data ...