It took a long time -- more than 20 years, to be exact -- but the humble SIM card that sits within your phone, and seven billion others, has finally been hacked. Of the seven billion modern SIM cards ...

SIM cards have been an integral yet forgettable aspect of owning a smartphone over the past few decades. For most users, the SIM card defines the basic commercial relationship they have with their ...

Adam Z. Lein has been a tech journalist at Pocketnow since 2002. He's also been a photographer since 1995 and a web developer & graphic designer since 1997 while working on the DEC intranet. He's also ...

The eSIM standard was introduced in 2016, slowly gaining support as a secondary option in smartphones. Rather than holding your phone number on a removable card, an eSIM is a programmable, ...

One question we get all the time is whether or not an Android phone will work without a SIM card. Basically without having service from a carrier. Including what to do with old smartphones. Whether ...

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 ...