Huawei has won this year's Best Connected Mobile Device of Mobile World Congress 2019 for the Mate X. The GSMA conferred this title on the new foldable phone at the end of MWC19 (on February 28, 2019) at the GLOMO awards event. Kevin Ho, who accepted the award on the OEM's behalf, said that his team were "very excited and honored" to receive it.
https://www.notebookcheck.net/The-Huawei-Mate-X-won-a-prestigious-award-at-MWC19.411107.0.html
Right, a prototype whose screen couldn't even stay flat, half a year from shipment and an award, might as well call it "Best Concept".