Bottom Line The Xiaomi Mi 11 Ultra is an upgraded version of the Mi 11. With a wholly different camera configuration, improved battery tech, and an added IP68 rating, it delivers a more complete smartphone experience. But the high price tag makes it a questionable buy, especially considering the strength of the competition. Mi 11 Ultra by Xiaomi The Xiaomi Mi 11 Ultra is an upgraded version of the Mi 11. With a wholly different camera configuration, improved battery tech, and an added IP68 rating, it delivers a more complete smartphone experience. But the high price tag makes it a questionable buy, especially considering the strength of the competition.