To change the Messaging settings, open the Messaging app (set it as your default, if necessary), tap the Menu icon > Settings.
The Notifications settings menu includes the following options:
Notifications, New message pop-up, Preview, Notification sound, Vibrate, and Repeat alert.
The Text messages menu includes the following options:
Delivery reports, Manage SIM card messages, Priority, Read reports and Allow read reports.
The Multimedia messages menu includes the following options:
Delivery reports, Allow delivery reports, Auto-retrieve, Roaming auto-retrieve, and Priority.
Group Conversation: Allows you to enable/disable group conversations.
The General settings menu includes the following options:
Conversation theme, Quick messages, Send message with Enter key, Signature, Callback number, Delete old messages, Text message limit, Multimedia message limit, and Save to.