Understanding Your Phone 13Indicator IconsThis list identifies the symbols you’ll see on your phone’s displayand Indicator area:Displays your current signal strength. The greater thenumber of bars, the stronger the signal.Indicates that Flight Mode is active. You cannot send orreceive any calls or access online information.Displays when there is no SIM card in the phone.Displays when there is a system error or alert.Displays when there is an active call.Displays when a call is on hold.Displays when the speakerphone is on.Displays when a call has been missed.Displays when Call forwarding is set to Forward always.For more information, refer to “Call Settings” on page 91.Displays your battery charge level. Icon shown is fullycharged.Displays when your battery is charging.Device Power Critical – Shows your current battery onlyhas three percent power remaining and will immediatelyshutdown.Displays when your connection to an EDGE network isactive.Displays when your phone is communicating with theEDGE network.Displays when your connection to an HSPA+ network isactive.Displays when your phone is communicating with theHSPA+ network.Displays when an external microSD memory card issafe to remove.