Samsung Galaxy SII User Manual page 38

Displays when the device is in Silent mode.
All sounds are silenced, and Silent mode is set to
Mute.
Displays when data synchronization and
application sync is active and synchronization is in
progress for Gmail, Calendar, and Contacts.
Displays when the Blocking mode feature is
active. For more information, refer to "Blocking
Mode" on page 254.
Displays when Bluetooth technology is active and
enabled.
Displays when the Bluetooth technology is active
and communicating with an external device.
Displays when your device is connected being
used to control streaming media and is
connected to a Digital Living Network Alliance
(DLNA) certified device.
Displays when the an outbound file transfer is in
progress.
Displays when a file or application download is in
progress.
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Displays when updates are available for download.
Displays when a Play Store download has
completed.
Displays when Wi-Fi is connected, active, and
communicating with a Wireless Access Point
(WAP).
Displays when Wi-Fi is active and there is an
available open wireless network.
Displays when Wi-Fi Direct is active and
configured for a direct connection to another
compatible device in the same direct
communication mode.
Displays when Wi-Fi Direct is communicating
with another compatible device.
Displays when the USB Tethering mode is active
and communicating.
For more information, refer to "Mobile HotSpot" on
page 228.