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AT&T says its cellphone network restored after a widespread outage hit users across the US

A number of Americans are dealing with cellular outages on AT&T, Cricket Wireless, Verizon, T-Mobile and other service providers, according to data from Downdetector, Thursday, Feb. 22, 2024. AT&T, who was the hardest hit, is actively working to restore service to all of its customers. (AP Photo/Matt Rourke)

Michelle Chapman
AP Business Writer

AT&T said Thursday its wireless network was back after an outage knocked out cellphone service for its users across the U.S. for hours.
“We have restored wireless service to all our affected customers,” the Dallas-based company said in a statement posted on its website Thursday afternoon. “We sincerely apologize to them.”
Outage tracker Downdetector noted that outages, which began at about 3:30 a.m. ET, peaked at around 73,000 reported incidents. AT&T had more than 58,000 outages around noon ET, in locations including Houston, Atlanta and Chicago. The carrier has more than 240 million subscribers, the country’s largest.
By 3:30 p.m. ET, the reports were down to fewer than 3,000.
Cricket Wireless, which is owned by AT&T, had more than 9,000 outages at one point but the reports had also tailed off later in the afternoon. Users of other carriers, including Verizon and T-Mobile, also reported issues but those companies said their networks were operating normally and the problems were likely stemming from customers trying to connect to AT&T users.
Some iPhone users saw SOS messages displayed in the status bar on their cellphones. The message indicates that the device is having trouble connecting to their cellular provider’s network, but it can make emergency calls through other carrier networks, according to Apple Support.
So far, no reason has been given for the outages. But Lee McKnight, an associate professor in the iSchool at Syracuse University, cited the most likely cause of the outage as a cloud misconfiguration, or human error.
“A possible but far less likely outcome is an intentional malicious hack of ATT’s network, but the diffuse pattern of outages across the country suggests something more fundamental,” McKnight said in an emailed statement.
The Federal Communications Commission contacted AT&T about the outage and the Department of Homeland Security and FBI were also looking into it, National Security Council spokesman John Kirby said.
The FBI acknowledged it had contacted AT&T. “Should we learn of any malicious activity we will respond accordingly,” the agency said.

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