OnePlus has released the results for its business in the European region for the first quarter of 2021 (1Q2021). The OEM asserts that sales in this market have increased by 388% compared to 1Q2020, leading to revenues of 286% more year-on-year (YoY). It also claims to be in the top 3 among smartphone brands in multiple countries of this zone.
https://www.notebookcheck.net/OnePlus-posts-a-400-increase-in-its-European-sales-for-2021-s-first-quarter.536288.0.html