Why Is Your SIM Not Provisioned? A SIM card is a small chip you insert into your phone to connect to a cellular network. Provisioning simply means activating or configuring the SIM so it can ...

You may have had AT&T SIM (Subscriber Identity Module) card problems on your iPhone before or received the notification "Airtel SIM not provisioned." This happens sometimes, and the reason is ...

What does SIM Not Provisioned actually mean? Find out inside PCMag's comprehensive tech and computer-related encyclopedia.

If you can't make a call or if you see an error message that your phone's SIM card is not working, there are several ways to troubleshoot the problem.

If you suspect that the problem is not the SIM card but rather due to a complex system error, contact Samsung Support for other options and official recommendations.

A SIM card that doesn't work can cause a lot of problems. Here's how to fix the "No SIM card" error on your Android phone.

Solution #8: Contact Samsung Should all the solutions above won’t fix “SIM card not inserted” error, that means that a hardware malfunction must be causing it.

Is your iPhone is telling you it doesn't have a SIM card available? Here are some fast and easy things to try before calling your carrier or the Apple Store.

Have a Samsung phone? Seeing an annoying Not Registered on Network error and unsure what to do about it? Here's everything you need to know to fix it.