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 ...

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.

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 ...