A very close friend of mine just upgraded to a BlackBerry Torch. As a newbie, she was so excited that she almost forgot about her address book. How was she going to transfer her contacts from her ...

Using files known as vCards, you can easily transfer contacts to your Samsung Galaxy S10 from an Android or iPhone. Here are ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Phone contacts can be a tricky beast to master, but one of the best ways to keep all your buddies ...

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 ...

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 ...

To remove the SIM card from your iPhone, you'll need to eject the SIM card tray with a special tool or paperclip.

If you use a Wi-Fi + Cellular version of the iPad, your tablet may come with a SIM card slot tucked into the side. In the United States, the only major carriers that use SIM cards are GSM-type ...

If you’ve ever had the nightmarish experience of trying to retrieve all your peeps’ phone numbers after you lost your phone, you may want Think Geek’s SIM card backup gadget. The device has 16KB ...