https://www.cnet.com/news/galaxy-x-price-specs-rumored-march-release-date-samsung-foldable-phone-galaxy-f-xiaomi/

Samsung may be the biggest dog in the race, but competitors are hot on its heels. Xiaomi, a Chinese brand relatively unknown outside the US, posted a teaser video showing off a completely new kind of foldable phone design that challenges Samsung's bendable Galaxy before it's even announced.

Although we know more now than we did back in November when Samsung's foldable phone became real, what we've seen of the device so far has raised more questions than answers. Here's what we know, what we think and what's still to be uncovered.