If you need to trim your SIM card to fit your new iPhone or you simply need to know how to replace the SIM card in that iPhone, here’s a guide.

Seeing “No SIM” or “Invalid SIM” on iPhone? Check your SIM card, restart, or update your carrier settings. Simple fixes often ...

If replacing with another micro SIM card, ensure the gold surface of the micro SIM card is facing down. Replace the SIM tray and press into the iPhone body until it locks.

The SIM Card Slot Location on iPhone Since the iPhone 4, Apple has generally kept the SIM card slot in the same place on the handset on successive generations. You can find it on the right side of ...

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 ...

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 ...

The SIM card in the iPhone is removable, but it's hidden. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The SIM card in the iPhone is ...

The normal way to bypass a "No SIM Card Installed" message on an iPhone is to simply insert the SIM card, but this message can appear even with a card installed.

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.