Reported major network outages on monday night, leaving them unable to make calls, send texts or access the internet,. Verkkoat&t’s widespread outage that left thousands without service for hours thursday was likely caused by a process error — not a cyberattack, the. Verkkoseveral united states cities have experienced cellular outages with thousands of users reporting disruptions to the country’s primary. Verkkoa major cellphone outage affected users across the us early thursday — even stopping some police departments from being able to receive 911 calls. The carrier blamed the problem on a third.