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

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 advocate warns of more system failures if major changes aren't made.

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