Samsung SM-S921W User Manual page 127

Apps and features
3
On your mobile device's screen, tap Start.
Without changing your mobile device's screen, the Samsung DeX screen will appear
on the connected TV or monitor.
(USB Type-C to HDMI)
Connecting to a TV wirelessly
You can use Samsung DeX by connecting your mobile device to a TV wirelessly.
1
On your mobile device, open the notification panel, swipe downwards, and then tap
(DeX).
2
Select a TV from the detected devices list and tap Start now.
Some TVs will only be detected when their screen mirroring mode is turned on.
3
If the connection request window appears on the TV, accept the request.
4
Follow the on-screen instructions to complete the connection.
When they are connected, the Samsung DeX screen will appear on the TV.
It is recommended to use a Samsung Smart TV manufactured after 2019.
•
Make sure that screen mirroring is supported on the TV you want to connect to.
•
HDMI adapter
127
HDMI cable