The new Samsung Galaxy Note 5 requires a nano SIM card for you to place calls, access the Internet, download applications, and share photos over your network service ...

We previously reported that a tiny handful of iPhones shipped without SIM cards, while significantly more units have generated the error message "No SIM card ...

A SIM card, or subscriber identity module, is a small card in your cellphone that lets you place phone calls, send text messages, and more.

Warning: Never lose your cellphone. Brickhouse Security is touting a USB device called the SIM Card Spy, which, aside from allowing a quick dump of messages and call information from a SIM, can also ...

Phil is a freelance writer from the UK, studying Creative Writing at university. When he's not writing, Phil is usually fiddling about with his phone, tweeting, or obsessing over anything with four ...

If you can't make a call or if you see an error message that your phone's SIM card is not working, there are several ways to ...

The Subscriber Identity Module, or SIM, used with GSM iPhones does not affect network reception; however, if you're unable to connect to the network to send or ...