Solar flares likely not cause of AT&T cellphone outage in Wisconsin

AT&T nationwide outage: Even when cellphones are disconnected, experts explain what you can do to stay linked - ABC13 Houston

AT&T down, outages at Verizon and T-Mobile, amid North American telco crash - DCD

Why AT&T iPhones are showing SOS. Here's what it means

It's unlikely the observed solar flares caused the AT&T outage

AT&T service causes impact on 911 calls, not caused by solar flares

Major cellular outage strikes AT&T, T-Mobile, and Verizon users

Why is my phone on SOS mode?

AT&T outage: Did a solar flare cause it?

Observed solar flares likely did not cause the AT&T outage

FCC's Homeland Security Bureau investigating massive AT&T cell outage