Global smartphone sales fell 20.2 percent in the first quarter, according to the latest Gartner data.
Four of the world's top five smartphone makers, with the exception of Xiaomi, all saw their sales decline in the first quarter.
Samsung, Huawei and OPPO all suffered their worst results on record.
The lockdowns around the world brought on by the novel coronavirus outbreak and economic uncertainty caused consumers to stop spending on non-essential products in the first quarter, resulting in a contraction in demand for smartphones.
Redmi's strong international sales and aggressive focus on the online channel helped Xiaomi to achieve better results than the previous quarter. Expect better sales, with sales up 1.4% year over year.
Samsung's smartphone sales fell 22.7% in the first quarter of 2020, and the company is still banking on an 18.5% market share Ranked No. 1 in the world.
The world's top five smartphone maker Huawei suffered the biggest decline in the first quarter of 2020, with its smartphone sales falling to 4.25 million units, down 27.3 percent year-on-year. Huawei still holds second place with a 14.2% market share.
The impact of the new coronavirus epidemic on Apple was slightly smaller compared to other leading manufacturers, with first-quarter 2020 Apple phone sales at 41 million units, down 8.2% year-on-year.
OPPO smartphone sales fell 19.1 percent in the first quarter of 2020.
According to Gartner, OPPO's offline distribution is one of its strengths, but has suffered as the work-from-home trend has forced consumers and businesses to buy products online.