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 ...

You don't need a SIM card and cellular service to use most features of today's iPhones and Android phones. Most apps and services run just fine as long as you have access to WiFi, and you can even set ...

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 ...

Newer iPhone models come preset with SOS mode. Once activated, this feature contacts emergency services to assist one in need. It can be used without SIM cards and even activated when the cell service ...

TL;DR: What's the latest procedure for setting up an old iPhone without cell service? I found several posts on the topic, but they all referred to previous versions of the OS and I thought I'd see if ...

Yesterday, webroke the story on how to use a pre-paid AT&T SIM card with your iPhone — no contract, corporate account or virtual operator SIM card necessary. Now here’s the graphic tutorial. [Hack The ...