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.

This problem often occurs when you turn your smartphone off and on again, insert a new SIM card, or, in some cases, while using your phone, when your SIM card is suddenly undetected.

In conclusion, the No Sim Card issue is a common problem for both Android and iOS, but it’s certainly fixable. While there are a lot of causes for this issue, the good news is that there are ...

If you have a traditional single SIM phones, try something simple like pulling your SIM card and blowing on it, wiping it down a little, and plug it back in. See if that will re-establish connection.

SIM card problems are few and far between but when they do occur, they can be some of the frustrating things to address. In this short guide, learn how to fix your Galaxy A80 that has “No SIM ...

You can't make calls if you get the "SIM not provisioned MM#2" error, but it's easy to fix.

When that happens, you might see the "your phone is not registered on a network" on your screen, which means your SIM card can't connect to your wireless provider's network.

If you have switched SIM cards in recent days, it is possible one of them has been lost or damaged while being removed from the slot in your phone's battery door. How to fix the problem?