Samsung Galaxy S III User Manual page 32

There is a system error or alert.
Indicates a security warning. You are prompted to
set a screen lock password.
A voice call is in progress.
A call is on hold.
The speakerphone is on.
A call has been missed.
A call has been muted.
Call forwarding is set to Always forward. For more
information, refer to "Call Forwarding" on page 80.
Battery charge level. Icon shown is fully charged.
Your battery is charging. Also displays battery
charge level.
25
Battery is critically low.
Your battery is empty.
Your phone is actively connected to a 3 G network.
Your phone is actively connected to a
4G LTE network.
Your phone is downloading or has downloaded a
file. It will blink green when it is installing.
An outbound file transfer is in progress.
A Play Store download has completed.
Updates are available for download.
The phone is connected to a computer with a
supported USB cable connection.
The phone is tethered via a supported USB cable
connection.