Galaxy Note 9 may offer a desktop experience without a DeX dock - SamMobile
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DeX Mode | Device Multitasking | Samsung US
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Samsung's Galaxy Note 9 has a much more useful DeX desktop mode | Engadget
Note 9 DeX mode with an HDMI cable: does it work just as well? - PhoneArena
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Samsung DeX + Galaxy Note9: Transform Any Space into a Productive Workplace - Samsung US Newsroom