How to use Samsung DeX

Last Update date : Jun 18. 2022

In order to use Samsung DeX, you may need to purchase separate accessories depending on the situation.

View of the Samsung Dex logo over the main app screen.

When connecting to an external display (TV or monitor) using a cable:

To use Samsung DeX, you must purchase a DeX Station, DeX Pad or HDMI adapter and connect your mobile device to an external display (TV or monitor).

When connecting with a cable to a PC:

You must use a USB Type-C cable to connect your smartphone to a PC.

When connecting to a TV or PC wirelessly:

No accessories are required.

What accessories officially support Samsung DeX?

Officially supported accessories for smartphones to use Samsung DeX through a wired connection are different from those used for tablets and foldable devices.

  • Genuine accessories that support Samsung DeX: DeX Station (EE-MG950), DeX Pad (EE-M5100), HDMI adapters (EE-HG950, EE-P5000, EE-I3100, EE-P3200 and EE-P5400).

Please note: The product names of models may vary depending on the country. Products that are not genuine Samsung DeX-supported products may not be compatible depending on their characteristics.

How to use Samsung DeX on a tablet

You can use Samsung DeX on a tablet in one of the following three ways:

1 Use Samsung DeX directly on the tablet's touchscreen (you do not need to connect an external display).
  • Open the Notifications panel by swiping down from the top of the screen and select the DeX icon in the “Quick settings” menu.
2 Connect a monitor or TV through a cable to use Samsung DeX on a large screen.
3 Connect a TV wirelessly to use Samsung DeX on a large screen.
  • Open the “Notifications” panel by swiping down from the top of the tablet screen and long press the DeX icon in the “Quick settings” menu. You can search for displays available for connection and wirelessly connect a selected display.
1 Open the quick settings menu on the mobile device and press the DeX button to turn on the feature.
2 Select “DeX on TV or monitor”.
  • If “DeX on PC” appears instead of a selection option, select “More Options” at the top right of the window and then press “Switch to TV or monitor”.  
3 Select the TV or monitor to connect from the list of available devices and press “Start now.”
4 Accept the connection request on the TV or monitor.
5 Follow the on-screen instructions to complete the connection. When completed, the Samsung DeX screen appears on the connected TV or monitor.

Please note: The performance may depend on the specifications of the TV that is used for wireless connection. We recommend using a Samsung Smart TV released in or after 2019.  

  • Wireless connection can be used with other TVs or dongles that support a phone screen mirroring/sharing feature (compatible with Miracast), but their performance is not guaranteed. Please check your TV whether it supports the screen mirroring/sharing feature. The name of the feature may differ by manufacturer. (Samsung TV – Screen Sharing/Mirroring, Sony TV – Screen Mirroring, and LG TV – Screen Share)
  • If the surrounding wireless network is busy, it may lead to a poorer performance. Please try to connect again later.
  • In order to connect the mobile device to a TV at 5GHz bandwidth for a smooth wireless connection, connect both the mobile device and TV to a wireless router that supports 5 GHz bandwidth and try the wireless connection. However, this may not work if the TV does not support the 5 GHz band Wi-Fi. Please check the TV specifications with the manufacturer. (Please visit https://www.samsung.com/support/ for inquiries related to Samsung TVs.)
  • Maintaining a short distance between the mobile device and TV is recommended for a smooth wireless connection.
Step 1: Select the “DeX icon" on your main screen. Step 1: Select the “DeX icon" on your main screen.

Step 1. Select the "DeX icon" on your main screen.

Step 2. Select “DeX on TV or monitor”. Step 2. Select “DeX on TV or monitor”.

Step 2. Select “DeX on TV or monitor”.

Step 3. Select the TV or monitor to connect and press “Start now.” Step 3. Select the TV or monitor to connect and press “Start now.”

Step 3. Select the TV or monitor to connect and press “Start now.”

Step 4. Tap “Start Now” to accept the connection request. Step 4. Tap “Start Now” to accept the connection request.

Step 4. Tap “Start Now” to accept the connection request.

Your PC should meet the following system requirements to run Samsung DeX:

  • OS : Windows 10 (32/64 bit) above
  • CPU : Intel® Core™ i3 2.4 GHz processor or higher (Intel® Core™ i5 2.5 GHz or higher recommended)
  • Qualcomm Snapdragon 8cx or higher version
  • RAM : 4GB (8GB recommended)
  • Hard Disk Space : At least 500MB (recommended)
  • USB : 1 free USB 2.0 port (USB 3.0 recommended)
  • Screen Resolution : 1024 X 768, 32 bit or above
  • Samsung DeX may not work correctly if your device does not meet the minimum requirements."
1 Open the notifications panel on your mobile device and drag the panel down. Next, press the DeX button to turn on the feature.
2 Select “DeX on PC”.
  • If “DeX on TV or monitor” appears instead of a selection option, select “More options” at the top right of the window and then press “Switch to PC”.
3 Select the PC to connect to from the list of available devices and press “Start now”.
4 Accept the connection request on the PC.
5 Follow the on-screen instructions to complete the connection. When completed, the Samsung DeX screen will appear on the connected PC.
  • The Samsung DeX must be installed on your computer. (Visit www.samsungdex.com for downloading and installing the program.)
  • If the “Samsung DeX” icon does not appear in the system tray in the PC taskbar, run the “Samsung DeX” program.
  • Check the Wi-Fi connection between your PC and mobile device. Your PC and mobile device that you’re trying to connect with must share the same Wi-Fi AP (access point).
  • For smooth wireless connection, please make sure that your PC and mobile device are connected to the same Wi-Fi AP at 5 GHz bandwidth.
  • Wireless connection using the “Connection” feature in Windows is not supported.
Step 1: Select the "DeX icon" on your main screen. Step 1: Select the "DeX icon" on your main screen.

Step 1. Select the "DeX icon" on your main screen.

Step 2: Select “DeX on PC”. Step 2: Select “DeX on PC”.

Step 2. Select “DeX on PC”.

Step 3: Select the device to connect to Samsung Dex. Step 3: Select the device to connect to Samsung Dex.

Step 3. Select the device to connect to Samsung Dex.

Step 4. Select “Start Now”. Step 4. Select “Start Now”.

Step 4. Select “Start Now”.

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