Samsung Galaxy S4 User Manual page 148

Message Threads
Sent and received text and picture
messages are grouped into message
threads. Threaded messages allow
you to see all the messages
exchanged (similar to a chat
program) and displays a contact on
the screen.
Message threads are listed in the
order in which they were received,
with the latest message displayed at
the top.
To reply to a text message:
1. From the Home screen, tap
.
2. While the message is open, tap
the Enter message field and
then type your reply message.
3. Compose your reply.
Your texts are colored Blue and your caller's replies are Yellow.
4. Tap
– or –
Press
options (page 135).
141
(Send) to deliver your reply.
and then select one of the available message
Current Recipient My Text
Reply Bubble
Text Message Thread