Samsung Galaxy S II User Manual page 28

Displays when a new voice mail is received.
Displays when Email is received.
Displays when the timeand date for a Calendar Event
has arrived. For more information, refer to
"Calendar" on page 163.
Displays when you set an alarm to ring at a specified
time.For more information, refer to "Alarm" on page
165.
Displays when Silent mode is set to Mute.
Displays when Silent mode is set to Vibrate.
Displays when Bluetooth is activated.
Displays when a Bluetooth device has been paired
with the phone.
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Displays when Wi-Fi is connected, active, and
communicating with a Wireless Access Point
(WAP).
Displays when there is a Wi-Fi access point
available but you are not connected to it. May also
display if there is a communication issue with the
target Wireless Access Point (WAP).
Displays when Wi-Fi Direct is active and your phone
is connected to another device.
Displays when the phone is tethered via a
supported USB cable connection.
Displays when your phone as been configured as a
portable Wi-Fi hotspot.
Displays when GPS is active and acquiring a signal.
Displays when Power saving mode is enabled.
Displays when your phone is in Blocking mode.