Takes you back one screen.

Used to launch the Phone app and place a call.

Plays audio and lets you hear phone calls.

Selects the option in the bottom left of the screen.

Selects the option in the bottom middle of the screen.

Selects the option in the bottom right of the screen.

Captures your voice when making calls.

Confirms a selection.

Used to navigate on the screen.

Used to navigate on the screen.

Used to navigate on the screen.

Used to navigate on the screen.

Wakes the screen when you press it. Turns the device completely off or on when you hold it down. Ends a call when you press it from an active phone call.

Used to communicate via Push-to-Talk.

Used to turn on and off the speaker.

Adjusts the volume on your device.

Adjusts the volume on your device.

Used to plug in your headset or headphones.

Used to charge your battery and connect your phone to other devices.