1. From the Home screen, tap Settings.
   
2. Tap General.
   
3. Tap About.
   
4. Scroll down to view the Serial number, IMEI, and ICCID information.
   Note: Learn more from Apple support articles: Find the serial number and other information for your iPhone and Identify your iPhone model.
   
5. Your Serial number is engraved on the back case, near the bottom.