Samsung DeX will soon be getting dual monitor support, possibly when the Galaxy Tab S4 is released, according to our sources. We can confirm that the Galaxy Tab S4 will indeed support DeX, and Samsung will be adding the option to use the tablet display as the second monitor when it's connected to DeX. The same will work with phones as well.
Dual monitor mode coming to Samsung DeX
Naturally, a tablet screen will be better suited in dual monitor mode, as it's considerably larger than a phone's display. However, we haven't been made aware of exactly how dual monitor mode with work with a tablet. Neither the original form factor nor the new DeX Pad would be able to prop a tablet up for proper viewing, so it's possible Samsung expects users to buy the Book Cover that is sure to be launched alongside the Galaxy Tab S4. Or, well, any such case would do the trick, though it would require a separate purchase.
DeX learned a few tricks with the Android 8.0 Oreo update, and the most useful of those was the ability to use the phone's screen as a trackpad. Adding the option to use the connected phone or tablet as a separate display seems like the logical next step. The Galaxy Tab S4 is expected to be unveiled at IFA 2018 in Berlin, and we're guessing a software update will be released for the Galaxy S and Note flagships around the same time to add dual monitor support.
Also Read: Samsung DeX review
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