Virgin Media doles out many minutes and data to mobile users with its Premiere plan, but it hasn't had a truly unlimited option for those who don't want to even think about their calling habits. It's ...

Just book your dream vacation overseas? The next step is to avoid costly roaming fees by getting an affordable international sim card for traveling. When traveling overseas, it’s critical to have a ...

A SIM card, or subscriber identity module, is a small card in your cellphone that connects you to the network. Your SIM card contains your phone number, and lets you make phone calls, send text ...

After you purchase and use your cellphone for an extended period of time, you can change networks. However, the phone that you're currently using may not be offered on that network. If you wish to ...

While most people seem to manage just fine with a single SIM card in their smartphone, some -- especially travelers, who can save money by fitting a local SIM card into their handset -- love the ...