Nokia Lumia 1020 User Manual page 29

Icons that show the network connection type may vary between regions and network service
providers.
An EDGE data connection is open.
A GPRS data connection is open.
Your phone is connected to a 3G network.
A high-speed (HSDPA/HSUPA) data connection is open.
A high-speed (HSPA+/DC-HSDPA) data connection is open.
Your phone is connected to a 4G network.
Data is transferred over a mobile data connection.
Wi-Fi connection
A Wi-Fi connection is available.
A Wi-Fi connection is active.
A mobile data connection is shared with other devices over Wi-Fi.
Data is transferred over Wi-Fi.
Bluetooth device
A Bluetooth device is connected to your phone.
Bluetooth is switched on, but your phone isn't connected to a Bluetooth device.
Battery
Battery power level
The battery is charging.
Battery saver mode is switched on.
Battery power or state of the battery isn't currently known.
Notifications
You have unread notifications. To check the notifications, swipe down from the top of the screen.
Profiles
Vibrate mode is switched on.
Silent mode is switched on.
Cortana
Cortana is handling your calls and messages.
Call forwarding
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