Samsung Galaxy Tab S3 - View Device Screen on TV

Notes:

To share media files, an active Wi-Fi connection must be established. Refer to the following for assistance:
- Turn Wi-Fi On/Off
- Add a Wi-Fi Network
To play or copy media to / from other devices (e.g., computer, TV, etc.), they must be connected to the same Wi-Fi network and may need to be configured for sharing. Refer to the user manual or contact the equipment manufacturer for assistance.
For assistance with setting up a Google® Chromecast™ device, refer to this page.
Some apps (e.g., YouTube™, Netflix®, etc.) support displaying the app contents on a remote display. Within the app, tap the Cast icon then select the desired display from the list.

Share Your Screen

Touch and hold the Status bar (located at the top) then drag to the bottom.
The image depicted below is just an example.
Swipe down from the top of the display to expand the quick settings menu.
Tap Smart View.
Tap the switch to turn on (upper-right).
If prompted, tap TURN ON.
Select the external display device from the list.
If not available, ensure your TV/external display supports screen sharing and that it is turned on.

From a Home screen, swipe up or down from the center of the display to access the apps screen.
These instructions only apply to Standard mode and the default Home screen layout.
Tap Gallery .
If necessary, choose the appropriate album or navigate to the image/video location.
Select a picture or video to view.
Tap the Share icon (at the bottom).
If necessary, tap the screen to display the options.
Tap Share to device.
Select the desired external display from the list.