AT&T blames software update glitch for service outage — as photos of helpless workers go viral

The massive outage that knocked out cellphone service for tens of thousands of AT&T users for hours Thursday was likely caused by a glitch in a software update — as viral photos show helpless AT&T store workers being harassed by angry customers.AT&T blamed the large-scale service disruption that impacted more than 70,000 users across the US and parts of Canada at its peak on an unspecified coding error and not on a cyberattack, as widely feared.“Based on our initial review, we believe that today’s outage wa ...