Back Cover: Used to cover your battery, SIM card(s), and SD card.
Back Cover Screw: Used to secure your back cover.
Camera: Used for taking pictures.
Emergency Button: Programmable button used to launch your preferred shortcut.
Flash: Used for taking pictures in low-light situations.
Microphone: Built-in microphone used for phone calls and voice commands.
PTT Button: Programmable button used to communicate via Push-to-Talk.
Power/Lock Button: Press to lock or unlock the touchscreen. Hold down to turn the device on or off.
Programmable Button: Programmable button used to launch your preferred shortcut.
USB/Charging Port Cover: Cover to the port that connects your phone to the battery charger or to another device for transferring data.
Volume Buttons: Adjusts the volume on your device.