If you used the correct SIM card size in your iPhone, you should use an ejector tool (or a DIY alternative) to eject the card and inspect it for signs of damage.

How to remove the SIM card from an iPhone. ... When you take the card out, remember its size and orientation. You’ll save some trouble later if you’re planning to insert a new card.

Those little chip-size SIM cards that plug into our smartphones are on their way out. Apple says so, and there’s a good chance Apple is right. This week, Apple said its new iPhone 14 devices ...

In fact, any iPhone released after the iPhone 14 in the U.S. will not have a SIM tray. If you have an older version, however, you will have to change your SIM manually. Here's a step-by-step guide ...