LG G5400 Bedienungsanleitung Seite 130

Your phone will beep when you have received Info service
message numbers.
Your phone will not beep even though you have received info
service messages.
You can select the language you want by pressing [On/Off]. Then,
the info service message will be shown in the language that you
selected.
You can add Info service message numbers in the Phone memory
with its nickname.
You can see Info service message numbers which you added. If
you press < [Options], you can edit and delete info message
category which you added.
You can select Info service message numbers in the active list.
If you activate an info service number, you can receive messages
sent from the number.
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