Recently we reported on errors iPhone users receive when attempting to send SMS messages. Users experiencing this problem might also receive errors claiming the number used is invalid, and asks for a ...

Whether you've recently added a new line to your Android phone for faster internet or gotten a new work SIM, a "SIM Not Provisioned" error message can disrupt your ...

Dial a phone number. Instead of the person you’re trying to reach, a stranger picks up. After a moment of confusion, you blurt out “sorry, wrong number,” and ...

A Santa Rosa man who mistakenly received several hundred calls from residents frustrated with a new fire prevention fee says the state not only botched its mailers by sending appeals to his personal ...

Scam and spam calls are getting more common. And they’re hard not to answer because the number comes up as “unknown.” When there’s no caller ID number, you can’t be sure if it’s a spam caller or an ...

There are plenty of technological ways to cut down on spam calls, but this is the one that works best. Jeff Carlson writes about mobile technology for CNET. He is also the author of dozens of how-to ...