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.

One common issue that some users face is their new phone not accepting their SIM card, requiring an unlock code. We will cover various methods to obtain the unlock code and troubleshoot your SIM ...

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.

If you need to unlock your SIM card, then this software is capable of doing that for you too but it unfortunately only works with Samsung devices from the Galaxy S II to the Galaxy S7, and the ...

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.

Using foreign SIM cards is the cheapest and most hassle-free solution. In order to use a foreign SIM card in your phone, you'll need to get your phone "unlocked" by your mobile carrier.

Are you switching phones or carriers? You'll need to learn how to remove a SIM card from your Android phone. Let's help you out!

The Apple iPhone 4S is promoted as a world phone, but international travelers should be aware of what that means. I also went through the process and can answer your questions.