If you want to store the number of a person from calling you in your Android phonebook, it’s pretty simple.
Since the call log, locate the call and tap it.
Tap the person icon with a cross on it.
Tap “Create new contact” .
It then remains to complete the fields (name, company, etc.).
It is also possible to enhance the contact form , a photo in the photo gallery or captured live. To do this, tap the small thumbnail with the character.