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 ...

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 ...

Nida is a tech and telecom journalist with more than five years of writing experience. She graduated from the University of Toronto with a BA in journalism. Nida's passions include writing, testing ...