If your phone suddenly won't recognize your SIM card, don't panic. There are a few things you can do to try and resolve the problem. Here's what to do.

If your Android phone is showing a "No SIM Card Detected error", then you can't connect to your wireless carrier network. Here's how to fix it.

Buy a Pixel 10 in the US, and the phone Google sends you will lack any way to physically insert a SIM card. To activate the ...

We deal with SIM cards on a daily basis in our phones (and sometimes tablets), but yet, we know very little about them. When it comes to SIM cards, all we ...

Google's Pixel 10 series eliminates physical SIM cards in the US. If you're worried about the change, here's why you shouldn't be.

These two ways of connecting your phone to a cellular network are very different. We tell you about each and how you can switch from one to another.

If you've ever called your carrier's customer service to activate a prepaid SIM card or troubleshoot a malfunctioning Android SIM card or iPhone SIM, then you've likely needed your ICCID number ...

An eSIM or embedded SIM card is a new technology. It is the virtual or digital version of the traditional data SIM card. Fortunately, if you have one of the last-gen or latest Android phones ...

You can also find out by swapping physical SIM cards or calling your carrier. So, how do you add multiple SIM cards to your phone? We break down the process for iPhones and Android phones below.

SIM-based spyware attacks can target phones with invisible SMS messages. And all brands are vulnerable—including Androids and iPhones.

Using two SIM cards, or enabling a dual-SIM setup, can be helpful when you need two separate phone plans on a single device. It easily lets you consolidate personal and work numbers on one phone ...