Personal Hotspot problem
Hi I have a problem, I have an iPhone 4S and iOS its up to date with iOS 6 but in an unexpected way the personal hotspot option in settings app disappeared I don't know what happened please help
Open Settings and tap on “General” Tap on “Reset Network Settings”
Also...
Verify that your carrier supports Personal Hotspot for your device and that you have Personal Hotspot enabled on your cellular plan:
From Here > http://support.apple.com/kb/HT3574
Personal Hot spot
Understanding > http://support.apple.com/kb/HT4517
Trouble Shooting > http://support.apple.com/kb/TS2756