Getting to know the back of your device
Samsung Galaxy Note9 on Android 10.0.0
Discover features on the back of your device with an interactive view. Learn the location of your camera, buttons, and more.
Select a yellow indicator on the image or an item from the list to learn more about that feature.
Scroll to learn more about each feature.
Bixby Button: Launches the Bixby virtual assistant.
Camera: Used for taking pictures.
Fingerprint sensor: Used for unlocking the device with your fingerprint.
Flash: Used for taking pictures in low-light situations.
Glass back: Used for wireless charging.
Heart Rate Sensor: Used for detecting heart rate and other vital signs in Samsung Health.
Microphone: Built-in microphone used for phone calls and voice commands.
Nano SIM / microSD card slot: Insert or remove your nano SIM / microSD card here.
Power/lock Button: Press to lock or unlock the touchscreen. Hold down to turn the device on or off.
S Pen Slot: Used to store your S Pen.
Speaker: Used to play sounds on your device.
USB/charging Port: Connects your phone to the battery charger or to another device for transferring data.
Volume buttons: Adjusts the volume on your device.
