In short, when you see SOS on your phone, it means you're not connected to a cellular network. "If you see SOS or 'SOS only' ...

Verizon Wireless is suffering a massive outage in the US, with customers reporting their phones stuck in SOS mode with no ...

Verizon said it has resolved an hours-long outage that is believed to have left tens of thousands of US customers without ...

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We are aware of an issue impacting wireless voice and data services,' Verizon says. AT&T and T-Mobile say their networks are ...

When iPhones aren’t connected to a cellular network, they will typically alert the user by giving an indication in the ...

Many iPhone users with Verizon reported Wednesday that their phones were in "SOS mode." Here's what that means for you.

A major telecommunications outage is unfolding, with a surge of error reports pointing to widespread service disruptions ...

Aimee Picchi is the associate managing editor for CBS MoneyWatch, where she covers business and personal finance. She previously worked at Bloomberg News and has written for national news outlets ...

Modern cellular networks are built to serve millions upon millions of users, all while maintaining strict encryption across all communications. But earlier cellular networks were by no means so ...