The status 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 - Flight mode is switched on.

silent mode icon - Silent mode is switched on.

Single letters, combinations of letters, or combinations of letters and numbers show the type of mobile network to which you're connected. 3G icon, for example, or HSPA icon or HSPA plus icon to indicate high-speed connections.

Icons vary between regions and network service providers.