In this Ask Maggie, CNET's Marguerite Reardon advises a reader looking to use a SIM card from a tablet to get data-only wireless service on his smartphone. Marguerite Reardon Former senior reporter ...

In today's connected world, every mobile number is part of a registered system that helps telecom companies verify genuine users. Behind this verification process lies a structure known as the Fresh ...

With smartphones' specs and streaming capabilities constantly improving, you might be looking for a new unlimited data SIM-only deal to go with your handset. After all, what better way to spend your ...