From within the Messages app, tap the Compose icon.
Enter a contact's name or phone number and select it.
You can also enter a phone number that is not in your contacts.
Select the contact.
Tap the return key.
Compose your message.
Tap the Plus icon.
Tap Photos.
Select a photo.
Tap the Checkmark icon.
Tap the Send icon.
You've completed the steps!
