Once your iPhone recognizes the SIM card, it will figure out the attached phone number (if there is one). Scroll down and tap Phone. Find the phone number next to "My Number." It's about halfway ...

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.

Every iPhone has a unique serial number, which can be used to identify the specific handset you own. You may need to know the serial number of your iPhone if you're unlocking it through your ...