From the Lock screen, tap the Missed call twice.
Recently missed calls will appear here as notifications.
Tap the Missed call twice again.
If prompted, select your contact storage location.
Tap Create new contact.
If prompted, select your contact storage location.
Tap the First name field.
Enter the contact's first name.
Tap the Next key.
Enter the contact's last name.
Scroll to the Email field.
Tap the Email field.
Enter the contact's email address.
Tap Save.
You've completed the steps!
