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.

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.

“No SIM Card” error is one of the common issues on Android devices. In this troubleshooting article, we’ll guide you on how to address the problem on Galaxy S10.

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.

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 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?