24Section 2Understanding the Display ScreenThe top line of the display isreserved for icons that indicatenetwork status, battery power,signal strength, and more. Thefollowing icons are some thatappear in the display.Display iconsSignal strength: Always appears when your phone ison and indicates the current signal strength. More linesindicate a stronger signal.No service indicator: Your phone cannot find a signalbecause you’re outside a service area. You cannot makeor receive calls. Wait for a signal or move to an open areato find a signal. This indicator always appears when youfirst turn on your phone and disappears once service islocated.Roaming indicator: Your phone is outside your homearea. While roaming, another wireless provider may behandling your call. The service rate for the call may behigher than those made from within your home area.Please refer to metroPCS for roaming rates.In Use: Indicates a call in progress. When dialing anumber, this icon flashes until the call connects.New Message: You’ve received a new text message,page, or web alert message. You’re also notified of a newmessage by animations and sound. You have one or moreunread voice mail messages in your voice mailbox. (Onlyapplicable on metroPCS Network.)