SIM cards are important to connect your phone to its network. Here's how to remove and insert SIM cards on your smartphone.

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.

SIM cards are important to connect your phone to its network. Here's how to remove and insert SIM cards on your smartphone.

Here's how you can install a second -- or even third -- SIM card into your smartphone. And don't worry -- there's no jailbreaking or rooting required.