A SIM card, or subscriber identity module card, is essential component of any phone. It connects your device to a cellular network and stores vital information, including your phone number. Many ...

Once you’ve activated your iPhone with your carrier, it should continue to work on the cellular network without any problems as long as you’re within range of a tower. Nevertheless, the vagaries of ...

With smartphones, where Apple leads others often follow - so it launching an iPhone this week without a traditional Sim card is raising questions over the future of a very familiar piece of phone tech ...