So you've chosen Ultra Mobile as your carrier. Before you start enjoying your plan, you need to install your SIM card – here's a step-by-step guide.

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.

Want to install an extra SIM card in your smartphone? Here's what you need to do just that.

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.

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.

All of your contacts will be written to the SIM card, which is called a "SmartChip" on LG phones. Remove the SIM card and install it in a different phone to access the contacts you just copied.

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.