Communication51ChatONUse this application to chat with any device. To use this application, you must sign in to yourSamsung account.Tap ChatON on the Applications screen.This application may not be available depending on the region or service provider.Create the buddies list by entering phone numbers or email addresses of Samsung accounts,or selecting buddies from the list of suggestions. Alternatively, tap Contact sync to manuallysync contacts from the device.Tap Chats ā Start chat and select a buddy to start chatting.