Want cheap data and phone calls when you’re abroad? Here’s how. By Geoffrey Morrison There’s an easy way to get zero roaming fees, inexpensive internet service and cheap phone calls when you travel.

BSNL launched its e-SIM service in Tamil Nadu on Friday. According to the state-owned telecom operator, the e-SIM service is a flexible and cost-effective solution that eliminates the need to obtain ...

SIM cards, or Subscriber Identity Modules are required to identify every GSM phone, regardless of the system. They also contain account, data and payment parameters to tell the selected carrier the ...

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 ...

Need an Internet connection on the go? Unfortunately, there aren’t a whole lot of inexpensive ways to do this. Carrying a mobile network around with you is a costly investment, but it’s also one that ...