A SIM card, or subscriber identity module, is a small card in your cellphone that lets you place phone calls, send text messages, and more.

To remove the SIM card from your iPhone, you'll need to eject the SIM card tray with a special tool or paperclip.

These two ways of connecting your phone to a cellular network are very different. We tell you about each and how you can switch from one to another. I started my career with CNET all the way back in ...

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 ...

Stephen is an author at Android Police who covers how-to guides, features, and in-depth explainers on various topics. He joined the team in late 2021, bringing his strong technical background in ...

Once you’ve activated your iPhone with your carrier, it should continue to work on the cellular network without any problems as long as you’re within range of a tower. Nevertheless, the vagaries of ...

When your Samsung Galaxy phone fails to detect your SIM card, it keeps you from connecting to your carrier’s network, making or receiving phone calls, or using your mobile data. This guide will walk ...

No matter if you're coming to China for a short or long term, getting a local SIM card will save you a lot of time, money, and energy. Not only it will provide you with more affordable mobile data ...

Joe's first real experience with tech came at the tender age of six when he started playing Final Fantasy IV (II on the SNES) on the family's living room console. As a teenager, he cobbled together ...

Install a SIM card in your phone to enable full device capabilities, and make sure to power it down before proceeding. Use a SIM card removal tool or a sewing needle to open the SIM card tray, and ...

Samsung Galaxy S8/S7 tablets can be used to make calls, with LTE/5G variants easily accessing the phone app. Insert SIM card, open the phone app, dial the number, and press call icon to make a call on ...

While Vodacom only lets subscribers buy eSIMs in-store, several international third-party providers will let you do so via their app or online platform. South Africa’s biggest mobile network ...