Nokia Lumia 521 - Icons on your phone

The bar at the top of the screen tells you the current time, battery and signal strength, and much more.

To see hidden icons, tap the status bar.

signal strength icon - Signal strength

battery half full icon - Battery power level

charging icon - The battery is charging.

battery save mode icon - Battery saver mode is switched on.

call forwarding icon - Your calls are forwarded to another number or your voice mailbox.

SIM card missing icon - There is no SIM card in your phone.

SIM card locked icon - Your SIM card is locked.

Bluetooth icon - A Bluetooth device is connected to your phone.

no Wi-Fi connection icon - A Wi-Fi connection is available.

active Wi-Fi connection icon - A Wi-Fi connection is active.

location icon - An app or service is using your location info.

roaming icon - Your phone is roaming and not on your home mobile network.

vibrate mode icon - Vibrate mode is switched on.

flight mode icon - Airplane mode is switched on.

silent mode icon - Silent mode is switched on.

The type of mobile network you're currently connected to may be shown with a single letter, a combination of letters, or a combination of letters and numbers, such as 4G icon, depending on your network service provider.

The icons may vary depending on your region or network service provider.