To set emergency alerts, tap the Service message checkbox to turn on or off.
To restore default settings, from the Messaging settings menu, tap the Menu icon, then tap Reset settings.
To access Advanced messaging settings, from the Messaging settings menu, tap Advanced Messaging. Note:If Advanced Messaging is turned on and you are messaging another device using Advanced Messaging, you can share files up to 10MB, get read receipts, and see when someone is replying.
To turn off Advanced messaging, tap Advanced Messaging.