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.

Loose or Improperly Inserted SIM Card: The SIM card may not be properly seated in the SIM tray, leading to connectivity issues.

A No Sim Card issue is caused when your phone either fails to recognize the Sim card or can’t read any information it contains.

No SIM card detected fix #6: Check for bad apps Sometimes, a third party app may cause problems or interfere with the Operating System.

These are proven fixes you can use if you’re looking to resolve the “No SIM card detected” or “No SIM card installed” issue on your iPhone or Android smartphone.

Before you can activate your SIM, you need to know which type of SIM your device supports, allowing you to choose between an eSIM or a physical SIM card. Here's how to check this out on Android or ...

One of the first things you should do when you get your Galaxy Note 8 is to put the SIM into the device. Here's how to insert a SIM card into Galaxy Note 8.

Need to access your Android device's SIM tray but can't find the ejector tool that came in the box? All hope is not lost. There are a few things you can try.