Samsung DeX on the Samsung Galaxy S10 range and newer (including the new Galaxy S20 range) is even more useful, as DeX on those devices is able to trigger within Windows or MacOS - so you don’t need a separate, spare monitor to use DeX. Being able to seamlessly switch from writing an email or document on your phone to writing it in a desktop environment can be extremely useful for some people - and that’s exactly what DeX offers. Of course, many people already have a serviceable laptop, so what’s the point of the DeX mode? In short, it’s the ease of having everything you need in a single device. Samsung DeX is principally aimed at those who require a mobile office, but really, it can be used by anyone with a spare monitor lying around.
It turns your phone or tablet into a full-fledged desktop experience, complete with word processing software, internet browsers, and more. “DeX” is the name for Samsung’s desktop software, activated by plugging a compatible mobile device into a spare monitor, laptop, or computer. What is DeX? Julian Chokkattu/Digital Trends
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Here’s a quick guide on how to use Samsung’s DeX mode. You can even connect wirelessly to your smart TV if you have a Galaxy Note 20 or Note 20 Ultra. The feature used to require a specific (and expensive) dock to use, but over the years, Samsung has refined the process, so now you now only need a simple (and cheaper) USB-C cable to use DeX mode. While you might expect a trick like this to be trumpeted loudly and then abandoned, Samsung has actually been consistently improving DeX.