iphone 4 personal hotspot not in options
iphone 4, iOS 4
Apple Event: May 7th at 7 am PT
iphone 4, iOS 4
had a same problem, but solved with this step
go to setting>general> and go to reset button
choose reset network setting
restart automatically
check the setting>general>network
and voilaa...the personal hotspot is back
iphone 4 personal hotspot not in options