What is Samsung DeX Pad and how to use it?

Last Update date : Jun 24. 2022

Get a PC-like experience on the go with Samsung DeX. It’s an interface where you can seamlessly work, watch, and play. When you want a larger display, connect it to your mobile device with a cable and use like a PC. Your mobile device can even be used as a mouse and keyboard. So you’re all set to go, and ready to change how you multitask and use your everyday apps.

Samsung Dex Pad

What is Samsung Dex Pad

Samsung DeX Pad allows you to turn your phone into a computer and use it as a touchpad to navigate the Galaxy Desktop.

• Enjoy rich desktop-like experience complete with contextual menus, drag-and-drop functionality and multiple, resizable windows

• Acts as a phone charger

• Built-in cooling fan

• Lightweight: 135.4g

• Supports USD Type-C cable, HDMI, USB 2.0

Samsung DeX device requirements

To run Samsung DeX, the following hardware and software requirements must be met.     

Mobile Device: Samsung Galaxy S8 | S8+ | S9 | S9+ |S10|S10+|S10e| Note8 | Note9

External Display: FHD (16:9 ratio) supported, HDMI display (Monitor, TV, Projector).  For Galaxy S10 series : 21:9 (UWFHD, UWQHD) 16:10 (WUXGA, WQXGA) 16:9 (HD+, FHD, WQHD)

Peripherals: DeX Station, Samsung Adaptive Fast Charger, Mouse & Keyboard.    

OS Version: Android OS Version 7.0 (Nougat) - Android OS Version 8.0 (Oreo)

Starting Samsung DeX
1 Connect an HDMI adaptor to your smartphone
2 Connect an HDMI cable to the HDMI adaptor and to a TV or monitor’s HDMI port.
Connect an HDMI cable to the HDMI adaptor and to a TV or monitor’s HDMI port.
3 On your smartphone’s screen, tap START SAMSUNG DeX.

Without changing your smartphone’s screen, the Samsung DeX screen will appear on the connected TV or monitor.

  • If you tap SWITCH TO SCREEN MIRRORING, the same screen as your smartphone will appear on the connected TV or monitor.

  • The screen mode you first select will be applied for subsequent connections.      

How to connect Samsung Dex Pad to a device?

To use Samsung DeX feature, you must have DeX Pad, Charger, HDMI cable and Monitor. Mouse and keyboard are optional. A charger is required to activate Samsung DeX Pad

1 Connect the charger to the DeX Pad’s charger port (USB Type-C)
2 Connect one end of the HDMI cable to the DeX Pad’s HDMI port, and plug the other end of the cable into a TV or monitor’s HDMI port
Samsung Dex pad connection
3 Connect the mobile device’s multipurpose jack to the mobile device connector (USB Type-C) on the DeX Pad
Samsung connector

ㆍEnsure that your smartphone is horizontal to the connector. Otherwise, the DeX pad and your smartphone may be damaged.

 Ensure that your smartphone is horizontal to the connector.


• Use only the Samsung-approved charger supplied with your smartphone

• Remove your mobile device from the DeX Pad when it is not in use. Otherwise, your mobile device’s battery will drain

• Use only the HDMI cable supplied with the DeX Pad. Otherwise, the DeX Pad may not work properly

• Ensure that your smartphone is horizontal to the connector. Otherwise, the DeX Pad and your smartphone may be damaged

• Remove your phone cover before use, if not, your phone may not run Samsung DeX properly

• If you want to use a keyboard or a mouse, connect them using the Dex Pad’s USB ports or via Bluetooth

• Bixby voice recognition may not work properly after connecting the DeX Pad

How to navigate Samsung Dex Pad with a device?

You can use your device as a touch pad, either horizontally or vertically. To control the screen, try the following touch pad gestures:


• Tap: Simulate left click - Select objects, open apps, activate buttons and more

• Tap with 2 fingers: Simulate right click - Show more options menu

• Swipe with 2 fingers: Scroll in any direction

• Pinch with 2 fingers: Zoom in or out

• Touch and hold: Select objects on the screen

• Touch and hold and move: Move objects around the screen or select text

Using Samsung DeX

You can use your device’s features in an interface environment similar to a computer. You can multitask by running multiple apps simultaneously. Also you can check your smartphone’s notifications and status.

• When starting or ending Samsung DeX, running apps may be closed .

• Some apps or features may not be available when using Samsung DeX.

• To adjust the screen settings, use the connected TV  or monitor’s display settings.

• Sound will be played through the smartphone’s speaker. To change the default audio output, launch the Settings app, select Samsung DeX, and then select the Set default audio output switch to activate it.

Using Samsung Dex

• Favorite apps: Add frequently used apps to the Home screen and launch them quickly.

• Apps button: View or run your smartphone’s apps. To install apps that are optimized for Samsung DeX, select Apps from Samsung DeX.

• Taskbar: View the apps that are currently running.

• Status bar: View your mobile's notifications and status. Status icons may appear differently depending on your smartphone’s status. 

• Quick access toolbar: Use quick tools, such as screen keyboard, volume control, or search.


Using the external display and smartphone simultaneously


While using Samsung DeX, you can use separate apps on the external display and your smartphone simultaneously.
For example, while watching a video on the connected TV or monitor, you can create a note on your smartphone.
On the connected TV or monitor, launch an app to run on the Samsung DeX screen. Then, launch another app on your smartphone.

Difference between Samsung Dex, Mirroring and Side Sync feature

Samsung DeX- Shows desktop-like user interface by connecting a smartphone to an external monitor and a mouse/keyboard

Mirroring - Shows the screen of a smartphone as it is on the external monitor

Side Sync - Shows the screen of a smartphone on a Windows PC with the purpose to operate the smartphone on the PC or to transfer

files easily

How to update Samsung Dex?
1 Go to Settings on Samsung Dex Mode
2 Tap Samsung DeX > Tap About Samsung DeX
3 Tap Update
Receive an incoming call

You can receive an incoming call with the connected TV or monitor while using Samsung DeX mode. If you receive a phone call,  select the incoming call menu from the connected TV or monitor. The device’s speaker is used for answering the call.

• Connect earphones or remove your device from DeX Pad to use the device instead of the speaker to receive  an incoming call.

Changing the speakers on Samsung DeX mode

You can change the default speakers from your device’s speaker to the speakers of a TV, monitor, or an audio device.

1 Launch Settings app on a connected TV or monitor. And select Samsung DeX .
2 Tap Set default audio output switch to activate the feature.

After you change the default speakers, sound will play through the new default speakers whenever Samsung DeX mode is on.

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