i work in dearborn michigan for at least 6 months now my phone will not work while at work...This problems clears up when i go home so before anyone says turn on/off your phone check the sim card blah blah blah. the phone is in perfect working order works before i get to work stops working around 930-1000 everyday i work then starts working once i get north of ford road. What is the problem?? Its simple att either restrict access during the work hours or they dont have the ability to accomidate the cell trafiic in the area during peak usage... read full review »