Tens of 1000’s of AT&T prospects reported issues with their cellphone service on Thursday morning, with a map of the outage displaying folks affected throughout the U.S.

Prospects of different networks additionally mentioned they skilled issues, however rival carriers Verizon, T-Cellular and UScellular mentioned their networks had been operational and famous that their customers had been most likely having problem reaching folks on AT&T’s community. 

At about 11 a.m. ET on Thursday, AT&T mentioned it had made progress in restoring its community. By mid-afternoon, it mentioned service had been absolutely restored.

“Now we have restored wi-fi service to all our affected prospects,” AT&T mentioned in a press release at 3:10 p.m. ET. “We sincerely apologize to them. Preserving our prospects linked stays our prime precedence, and we’re taking steps to make sure our prospects don’t expertise this once more sooner or later.”

Later Thursday evening, the corporate attributed the outage to a software program bug.

“Based mostly on our preliminary evaluation, we consider that at present’s outage was brought on by the appliance and execution of an incorrect course of used as we had been increasing our community, not a cyber assault,” the corporate mentioned on its web site. “We’re persevering with our evaluation of at present’s outage to make sure we hold delivering the service that our prospects deserve.”

Here’s a take a look at the areas that had been affected in the course of the outage.

AT&T outage map

Downdetector had about 40,000 experiences of service points from AT&T prospects at round midday Japanese Time, down from a peak of greater than 70,000 experiences. A lot of the complaints had been targeted on issues with cellphones or wi-fi service. 

Outages had been highest in Houston, San Antonio, Austin, Chicago, New York, Miami, Dallas, Atlanta and Indianapolis, in keeping with Downdetector.

What triggered the AT&T outage?

The corporate attributed the outage to a software program bug. 

The outage snarled 911 facilities, with some legislation enforcement officers noting that some folks had been calling the emergency quantity to check whether or not their telephones labored. 

Officers urged folks to chorus from calling 911 to check their telephones. 

“Many 911 facilities within the state are getting flooded w/ calls from folks attempting to see if 911 works from their cellphone. Please don’t do that,” the Massachusetts State Police wrote on X, the previous Twitter.

Taylor Johnston contributed to this report.