'As I write this, some 10 hours after the outage began, I don't have many facts other than my BlackBerry didn't work for about 9 hours today,' a customer identified as Matt Friedman wrote Sunday on the blog of Tanner Friedman, a public relations firm in Farmington Hills, Mich.įriedman took AT&T to task for not providing more information about the outage to affected customers, saying that he searched the Internet 'in vain all day' on Sunday looking for more details about the service disruption. Some users also reported not being able to access AT&T's data network using Apple Inc.'s iPhone or Research In Motion Ltd.'s BlackBerry mobile devices. On Sunday, frustrated AT&T subscribers reported that cell phone and data services were being affected in multiple states and major cities, including Chicago. Eastern time yesterday that service 'should now be fully restored.' No further updates have been posted since then, and AT&T officials didn't respond to a request for comment about the service outages.

AT&T, which asked Twitter users to 'tweet us' if they were still having service problems, wrote at about 5 p.m.

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