LG spectrum 2 Guia Del Usuario página 112

Communication
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Multimedia message (MMS) settings
Delivery reports: Checkmark this setting to allow your phone to receive
delivery reports for the multimedia messages you send.
Delivery report allow: Checkmark this setting to send a delivery report
when it is requested.
Auto-retrieve: Remove the checkmark to download only the heading of
multimedia messages, allowing you to manually download the whole
message when you're ready. This is useful for controlling how much data
you download.
Roaming auto-retreive: Checkmark this setting to allow messages to be
received even if you are roaming outside of the network.
Set priority: Opens a dialog box that allows you to set the default priority
for your multimedia messages.
Group conversation settings
Group conversation: Checkmark this setting so that message recipients
can see who received the message and reply to them.
Help: Displays a dialog box with information describing the Group
Messaging feature.