How can I disable the Bixby button on my phone?

Dennis from Korea

Episode 1432 (56:07)

Samsung Galaxy S8 Plus

Dennis is stationed in Korea and he's had to get a new Samsung Galaxy 8 Plus, but the Bixby feature drives him nuts. How can he turn it off? Leo says that the most recent update will allow him to disable the button. He'll just end up with the Bixby voice assistant instead, though. The pity is that Samsung still doesn't let you customize the button for another use.