Samsung SPH-A920 Phone Manual page 143

TransFLASH memory Icon Indicators
The following icons will appear on your phone's display screen when a
TransFLASH memory card is properly inserted into the TransFLASH memory
card slot:
Indicates that a TransFLASH memory card has been inserted into
your handset.
Note: DO NOT remove a TransFLASH memory card while files are being
accessed or transferred. It will result in loss or damage of data.
Make sure your battery is fully charged before using the TransFLASH
memory card. Your data may become damaged or unusable if the
battery runs out while using the TransFLASH memory card.
Section 2I: Using the TransFLASH™ Card 121