Do not connect products that create an output signal, as this may damage the device. Do not connectany voltage source to the audio connector. If you connect an external device or headset, other thanthose approved for use with this device, to the audio connector, pay special attention to volumelevels.Icons shown on your phoneThe status bar at the top of the screen tells you the current time, battery and signal strength, andmuch more.Tip: To see hidden icons, tap the status bar.Mobile signal strengthSignal strengthYour phone isn't connected to a mobile network.Flight mode is switched on.There is no SIM card in your phone.Your SIM card is locked.Mobile data connectionSingle letters, combinations of letters, or combinations of letters and numbers show the type ofmobile network to which you're connected.Icons that show the network connection type may vary between regions and network serviceproviders.An EDGE data connection is open.A GPRS data connection is open.© 2013 Nokia. All rights reserved. 24