››Add friends to your friend list
In Idle mode, open the application list and select Talk.
The friend list shows all of your Google Talk contacts at a glance.
Press  → Add friend.
Enter an email address of the friend and select Send invitation.
When your friend accepts the invitation, the friend is added to your friend list.
››Start a chat
1 In Idle mode, open the application list and select Talk.
2 Select a friend from the friend list. The chat screen opens.
3 Enter your message and select Send.
To insert emoticons, press  → More → Insert smiley.
4 To switch between active chats, press  → Switch chats.
5 To end the chat, press  → End chat.
Learn to access Social Hub™, the integrated communication application for Social Network Service (SNS), email, messages, instant messages, contacts or calendar information. Visit socialhub.samsungapps.com for more details.
In Idle mode, open the application list and select Social
Check and use contents delivered from Social Hub.