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.

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.

Today, cell phones can operate without a SIM. But can a phone also be tracked with no SIM? As you might have guessed, the answer is yes. Moreover, it is much easier to track a phone without a SIM.

They started out with dual-SIM adapters, and have now progressed to SIM adapters that allow you to have four or even five SIM cards in your phone.