With the launch of the Galaxy Note9 this year, Samsung brought a new version of its DeX feature, which didn't need a dock to enable the full desktop DeX experience - a USB-C to HDMI cable would do just fine. And according to the leaked Samsung Experience 10 beta software based on 9.0 Android, the Galaxy S9+ will get the feature as well. There's a catch though - if you choose not to use the DeX dock, you will be allowed to open only 5 windows instead of 20 and you will lose all the additional connectivity options the dock provides. In any case, since the Galaxy S9+, the regular Galaxy...
Source: https://www.gsmarena.com/piebased_samsung_experience_10_to_allow_the_s9_to_use_dex_without_the_dock-news-34008.php
