What is the Samsung DeX and how do I connect it to a device?

Samsung DeX allows you to use your smartphone like a computer by connecting it to an external display. This way, you will be able to use your Galaxy S9/ S9+ features on a large screen conveniently. 

Please note: Only supported mobile devices running Android 8.0 or higher will be able to use the Samsung DeX. 

Samsung DeX connections
1 Fan vent
2 Mobile device connector (USB Type-C)
3 Fan vent
4 Surface
5 USB port
6 HDMI port
7 Charger port (USB Type-C)

How do I connect the Samsung DeX with a device?

To use the Samsung DeX you need a charger(TA), HDMI cable and monitor. However, a mouse and keyboard are optional.

Samsung DeX connected to a device
1 Connect a Samsung-approved charger to the DeX Pad's charger port (USB Type-C).

Please note:  When you connect the charger to the DeX charger port (USB Type-C), be sure to use a USB Type-C cable. If you connect a Micro USB cable, the DeX may malfunction or be damaged.

2 Connect one end of the HDMI cable to the DeX pad and plug the other end to the TV or monitor's HDMI port.

Please note: Use the HDMI cable supplied with the DeX pad. Otherwise, the DeX may not work properly.

Samsung DeX HDMI connection
3 Connect the mobile device's multipurpose jack to the mobile device connector on the DeX pad. Ensure that your smartphone is horizontal to the connector. Otherwise, the DeX and your smartphone may be damaged.
MObile device connector USB type C

Mobile device connector (USB Type-C)

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

If you select ‘Samsung DeX’ mode, the mobile device’s screen will turn off and appear on the connected TV or monitor in desktop mode.

 

If you switch to Screen mirroring, the same screen as the mobile device will appear on the connected TV or monitor.    

Please note: If you want to use a keyboard or a mouse, connect them using the DeX Pad’s USB ports or via Bluetooth. Also, when you use devices’ voice recognition after connecting the DeX, the voice recognition may not perform well. 

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