OnePlus launched the OnePlus 6T a few months and, for the first time ever, sold the device under the umbrella of a US carrier. That move has apparently paid off in style, with the company confirming that the OnePlus 6T has outsold the OnePlus 6 by 249% in the US.
https://www.notebookcheck.net/The-OnePlus-6T-has-outsold-the-OnePlus-6-by-249-in-the-US.376671.0.html