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.

SIM cards are so thoroughly integrated into our everyday lives that we don't pay attention to them anymore and do not understand what they are used for. In this article, we dig into the concept of SIM ...

When the iPhone's SIM junctor reader is damaged, your iPhone can no longer read the SIM card, and you need to replace the junctor reader.

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.

You may need to remove or switch your iPhone’s SIM card for a variety or reasons. Whether you’re selling or trading your device, switching carriers, or need to swap it out while traveling ...

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.

The SIM card in your iPhone is crucial to your making calls, but it's also small enough to lose, and easy enough to put in the wrong way. Here's how to successfully remove a SIM card, and put one ...

The SIM card is locked to a particular cellular data provider, so if you switch carriers, you'll probably need to change SIM cards. This can be done by removing the SIM tray from the side of the ...