Try the same SIM card on another device. If none of this works for you, contact your carrier and order a new SIM card or switch to an eSIM. What is a virtual SIM card & how to get one? An eSIM is an ...

Switching carriers or using a different SIM card on your iPhone doesn’t have to be complicated. If your device is SIM-locked, ...

If your new phone no longer supports SIM cards, or you don't want to use them anymore, you can convert to eSIM instead.

Are you thinking of making the switch from a physical SIM to an eSIM? The good news is that you may be able to simply convert your SIM card to an eSIM from your device. We’ll walk you through ...

The SIM card enables your device to access the carrier's network and use voice and data services. If you plan to switch mobile network carriers or have upgraded to a new iPhone, you'll need to ...

If you have a iPhone 13 or older, your device still has a physical SIM card. Here's a guide on how to remove it.

Switching to the Un-Carrier can be exciting, but you have to know how to get set up. Here's how to activate a T-Mobile SIM card.

Verizon offers several different methods to turn on your SIM or eSIM. This guide will walk you through the activation process.

Switching SIM cards isn't hard, but you'll need a special tool to do it. If you're not sure of the steps, check out our article on how to remove and replace an iPhone's SIM card for more information.