Here’s a simplified guide on how to set a PIN code to lock your eSIM profile on iPhone.

1. Open “Settings.”
2. Scroll down and tap “Mobile Data.”
3. Select the eSIM profile you want to add a PIN code to.
4. Make sure this eSIM profile is activated by selecting it and turning on “Turn On This Line.”
5. Scroll down on the same screen and find “PIN.” Tap it.
6. Turn on the “SIM PIN” toggle.
7. Enter your chosen PIN code to lock the eSIM profile.
8. Tap “Done” to confirm.

This PIN code will help secure your eSIM profile on your iPhone.