From the Home screen, tap Messages.
Note: iMessages can only be sent when the handset is connected to a wi-fi network.
If prompted, tap the New Message icon.
Enter the name or 10-digit phone number of the recipient.
If the drop down menu appears, tap the preferred contact.
Note: iMessages can only be sent to contacts that are displayed in blue.
Enter the preferred message and tap Send.
To send a picture with the iMessage, tap the Camera icon.
Tap Choose Existing.
Tap the preferred album.
Tap the preferred photo.
The iMessage will now be sent to the selected recipient.