Samsung Infuse SGH-I997 User Manual page 22

Indicator Icons
This list identifies the symbols you'll see on your phone's display
and Indicator area:
Displays your current signal strength. The greater the
number of bars, the stronger the signal.
Indicates that the Airplane Mode is active. You cannot
send or receive any calls or access online information.
Displays when there is no SIM card in the phone.
Displays when there is no network available.
Displays when there is a system error or alert.
Displays when a call is in progress.
Displays when a call is on hold.
Displays when the speakerphone is on.
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Displays when a call has been missed.
Displays when a call has been muted.
Displays when Call forwarding is set to Always forward.
Displays your battery charge level. Icon shown is fully
charged.
Displays when your battery is charging. Also displays
battery charge level.
Device Power Critical – Shows your current battery
only has three percent power remaining and will
immediately shutdown.
Displays when your connection to an EDGE network is
active.
Displays when your phone is communicating with the
EDGE network.
Displays when your connection to an HSPA+ network
is active.