Press the 
key under [ERASE] to erase the message and turn the 
icon off. Usually, this is not required because the network will command the phone to automatically turn the icon off when you have no new messages.
Low Memory Warning
The phone will alert you when the amount of available message memory is less than 25%. Al- though the phone can still receive new messages, you should erase messages you no longer need to avoid running out of memory.
Out of Memory Warning
When the phone has no more available message memory, it can no longer accept new messages. When this occurs, the phone will display an “Out of Memory” message.
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