If the "your phone is not registered on a network" error has popped up on your Android phone, you know how frustrating it can ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. AT&T cell phone service is down, customers across the country are reporting. The problem is part of a nationwide telecommunication ...

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 ...

A resident in a bushfire zone says they were left in a "blind panic" after their mobile phone couldn't connect, as an ...

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Verizon cellular customers were taking to the internet and social media Monday morning to report service issues. Starting around 9:30 a.m. Monday, Verizon outage reports began to spike on Downdetector ...