Galaxy S9/S9+: How do I to connect the Samsung DeX Pad and a device?

Last Update date : 2018.03.11

To use Samsung DeX feature, DeX Pad (sold separately), Charger (TA), HDMI cable
and Monitor, must-have peripherals. And mouse (Wired or BT) and keyboard are optional.
With the DeX Pad, you can connect smartphone to a TV or monitor to use its features
on a wider screen.
You can also connect with nearby devices, such as a keyboard or mouse.

To activate DeX Pad, charger is required.



Connecting pad 




Basic requirements to use DeX Pad

1. Connect the charger to the DeX Pad's charger port (USB Type-C). Use only the Samsung-approved charger supplied with your smartphone. Remove your mobile device from the DeX Pad when it is not in use. Otherwise, your mobile device’s battery will drain.



2. Connect one end of the HDMI cable to the DeX Pad's HDMI port, and plug the other end
of the cable into a TV or monitor's HDMI port. Use only the HDMI cable supplied with the DeX Pad. Otherwise, the DeX Pad may not work properly.



Connect HDMI 



3. Connect the mobile device's multipurpose jack to the mobile device connector (USB Type-C) on the DeX Pad. Ensure that your smartphone is horizontal to the connector. Otherwise, the DeX Pad and your smartphone may be damaged. And if you connect the mobile device with a case attached, it may not correctly connect to the DeX Pad or run SAMSUNG DeX properly depending on your mobile device's case. Remove the cover before use.



USB-C dex 



For some mobile devices, only the normal charging mode is available when your mobile
device is turned off. 
If you want to activate the fast charging feature, activate it when
the mobile device is on or connect your mobile device directly to the Samsung-approved fast charger,
not the Dex Pad. When charging, use only the Samsung-approved charger
that is provided
on purpose.



4. Select the screen mode you want to use. You can select Samsung DeX mode or Screen mirroring mode.



Dex screen mode 



START SAMSUNG DeX: The mobile device's screen will turn off and appear on the connected TV or monitor in desktop mode.



Dex mode 



SWITCH TO SCREEN MIRRORING : The same screen as the mobile device will appear
on the connected TV or monitor.



Mirroring mode 



The screen mode you first select will be applied for subsequent connections.

If you want to use a keyboard or a mouse, connect them using the Dex Pad’s USB ports
or via Bluetooth. Connect only a keyboard, mouse, or an USB storage device to the DeX Pad's USB ports. Charging Devices or connecting high-capacity devices with these ports may not work properly.

When you use device's voice recognition after connecting the DeX Pad, the voice recognition
may not perform well.

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