For many years, mobile phones received cellular service through a physical SIM (subscriber identity module) card that connected your handset to your phone carrier. These physical SIM cards made it ...

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A SIM card, or subscriber identity module, is a small card in your cellphone that lets you place phone calls, send text messages, and more.

Pioneer mobile virtual network operator (MVNO) in Nigeria, Vitel Wireless Limited, has entered into a partnership with SLOT Systems Limited for the distribution of its SIM cards and other gadgets, ...

Finnish company Uros has launched an LTE version of its wireless hotspot that can be equipped with 10 SIM cards to make roaming abroad easier. It’s slowly becoming more common for operators to let ...

These two ways of connecting your phone to a cellular network are very different. We tell you about each and how you can switch from one to another. I started my career with CNET all the way back in ...

Vitel Wireless, Nigeria’s first Mobile Virtual Network Operator (MVNO) has entered into partnership with Slot Systems Limited for distribution of its SIM cards and other gadgets around the country.