Settings > Security and Privacy > More security settings > SIM card security > Toggle on 'Lock SIM card' > Follow on screen instructions from here. It may ask for a ...

Protect yourself against SIM swapping and more security threats by setting up a SIM PIN right now.

The new Samsung Galaxy Note 5 requires a nano SIM card for you to place calls, access the Internet, download applications, and share photos over your network service ...

Your phone's SIM card allows the device to make calls, send texts, and connect to the internet. The SIM card provides a phone number that identifies your device on the carrier's network, whether it's ...

Your phone number is tied to your bank, your email, your health portal and every two-factor code you receive. Criminals can steal it with one phone call. Here’s how to lock it down.

If you have a SIM card PIN enabled on your phone to access data on the SIM card, but you repeatedly enter it incorrectly, the SIM card may lock you out from further attempts. You can reset the SIM ...