A variation of the recently disclosed attack that can wipe data from Samsung Android devices when visiting a malicious Web page can also be used to disable the SIM cards from many Android phones, ...

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.

Today’s Android phones are significantly more advanced than they were just a few years ago, but one thing hasn’t changed: the need for a SIM card. Every phone needs a physical or eSIM card to make ...

Seeing a SIM Not Provisioned error message on your Android phone can be extremely annoying. Here's what's causing it, and how ...

Jack Wallen walks you through the process of adding a SIM PIN to help prevent anyone from accessing precious account information or using your data plan. Explore Get the web's best business technology ...

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

Setting up a PIN for your Android phone or tablet provides a basic level of security. Even if you opt for a fingerprint reader to unlock your device, Android will still require a PIN as a backup ...

Do you get the error message “No SIM Card Detected” or “No SIM Card Installed” after inserting a SIM card into your phone? This problem often occurs when you ...

Isn’t it great when a device offers easy flexibility and gives you options when considering storage or network connectivity? MicroSD cards have been one of those pariahs in the mobile world that ...