Samsung SM-G9600/DS User Manual page 156

Apps and features
3
On your smartphone's screen, tap Continue → Start.
Without changing your smartphone's screen, the Samsung DeX screen will appear on the
connected TV or monitor.
HDMI adaptor
(USB Type-C to HDMI)
Connecting to a computer
You can use Samsung DeX by connecting your smartphone to a computer using a USB cable.
1
Connect your smartphone to a computer using a USB cable.
2
Open the notification panel, tap Samsung DeX.
The screen for the app installation instructions will appear.
156
HDMI cable