Wondering how to change your iPhone's SIM? This quick 90-second tutorial is a simple step-by-step guide on how to remove your SIM and how to replace your SIM so you can get going on a new mobile service. Whether you have an iPhone 6, iPhone 7, or iPhone 8, we'll show you the correct way to do a SIM card swap-out with your device. Ready to discover how to change your SIM? Let's do this!