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 have been an integral yet forgettable aspect of owning a smartphone over the past few decades. For most users, the SIM card defines the basic commercial relationship they have with their ...

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 ...

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 ...