Samsung Galaxy Express User Manual page 26

Displays when a call has been missed.
Displays when a call has been muted.
Displays when Call forwarding is set to Always
forward. For more information, refer to "Call
forwarding" on page 55.
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.
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Displays when your connection to a UTMS, HSDPA,
HSPA, or HSPA+ network is active.
Displays when your phone is communicating with
the UTMS, HSDPA, HSPA, or HSPA+ network.
Displays when your connection to a 4G LTE network
is active.
Displays when your phone is communicating with
the 4G LTE network.
Displays when your phone is downloading or has
downloaded a file. It will blink green when it is
installing.
Displays when the an outbound file transfer is in
progress.
Displays when a Play Store download has
completed.
Displays when updates are available for download.
Displays when the phone is connected to a
computer via a supported USB cable connection.