A few years ago, the absence of dual SIM in iPhone was listed as a major shortcoming by numerous smartphone users. It’s normal for most smartphone owners to have a couple of SIM cards to keep their ...

What is a SIM card used for? A SIM card, or a subscriber identity module/subscriber identification module, is a tiny memory card that contains unique information and is linked to a particular network ...

If you have a new phone or a new SIM card for your existing phone, activating the SIM is very straight forward. Make sure your phone is switched on and insert the SIM card. Once the SIM is inserted, ...

Activate your iPhone back to AT&T if the SIM card you insert after you install blackra1n onto the device doesn't work properly. Blackra1n is a third-party program that "jailbreaks" SIM-bearing iPhones ...

Joe's first real experience with tech came at the tender age of six when he started playing Final Fantasy IV (II on the SNES) on the family's living room console. As a teenager, he cobbled together ...

You're probably already familiar with the SIM card, a tiny chip in your phone that connects it to your cell phone carrier of choice. For years, this chip was on a physical card that you could swap in ...

When you sign up for Tello, you will need to purchase a SIM card in order to activate your service. The SIM card is what allows your phone to connect to Tello’s wireless network, and without it, you ...