If you don't have a SIM card or don't want to use one, you can still use a Windows or Mac computer with iTunes to set up your iPhone. Again, if you got a new phone and you're just having iPhone X ...

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

The location of your SIM card will depend on your iPhone model. If you’re using an iPhone 14 or newer sold in the U.S., you won’t be able to find a physical SIM card as there isn’t one.

One of the benefits of having an unlocked iPhone is that you can switch out your SIM card when you travel. International phone plans are expensive, and it’s often much cheaper to buy a new card ...

If you want to upgrade your iPad to have 3G/4G capabilities, you need to equip it with a SIM card. Our beginners' tutorial explains where to get the right SIM card, and how to do install it.

Regular and Micro-SIM cards are too big for the iPad or iPhone, but this trick enables you to cut down a SIM card to a Nano-SIM so it fits into an iPhone or iPad.