From the home screen, tap the Messenger icon.
Tap the New message button.
In the To field, enter the recipient's phone number or name.
Note: If the recipient is in the contacts list, select the contact from the drop down menu that appears.
Enter a message in the message field.
To send the message as a standard text message, tap the Send icon.
To add a picture to the message, tap the Attachment icon.
Tap to select the image or file.
Note: Tap the icons to change the file selection method.
If prompted, tap ALLOW to give the Messenger app the required permissions.
Tap the Send button.
The message is now sent.
To exit the Messages application, tap the Home icon.
To open a received message, from the home screen, tap the Messenger icon.
Tap the message thread.
Note: If needed, tap the Back key to return to the inbox
The message is now displayed.
Note: To save the attachment, tap and hold the attachment, then tap the Save icon.