Understanding Your Phone 153. Microphone: allows other callers to hear you when you arespeaking to them.4. Power/Lock key: Sets the phone to Silent mode, Airplanemode, Lock/wake screen, and Power on/ off.5. Camera Key: From a Home screen, press and hold tolaunch the Camera application. From the Cameraviewfinder screen, press to take a picture or begin/endrecording a video.6. USB Power/Accessory Port: Plug in a USB cable forcharging or to sync music and files.Touch Screen DisplayYour phone’s touch screen display is the interface to its features.12345 6 78