Activating a new SIM card on your iPhone is a simple process that just takes a few easy steps. Read more: Best iPhone of 2024 Follow our step-by-step guide to help get your new iPhone up and running.

If you've ever called your carrier's customer service to activate a prepaid SIM card or troubleshoot a malfunctioning Android SIM card or iPhone SIM, then you've likely needed your ICCID number ...