Nokia Lumia 820 User Manual page 20

Signal strength
Battery power level
The battery is charging.
Battery saver mode is switched on.
Your calls are forwarded to another number or your voice mailbox.
There is no SIM card in your phone.
Your SIM card is locked.
A Bluetooth device is connected to your phone.
A Wi-Fi connection is available.
A Wi-Fi connection is active.
An EDGE data connection is open.
A GPRS data connection is open.
Your phone is connected to a 3G network.
An LTE data connection is open.
An HSDPA/HSUPA data connection is open.
Your phone is connected to a 4G network.
An app or service is using your location info.
Your phone is roaming and not on your home mobile network.
Vibrate mode is switched on.
Airplane mode is switched on.
Silent mode is switched on.
The icons may vary depending on your region or network service provider.
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