OnePlus doesn't sponsor sports leagues or run ads in the subway or on the Super Bowl or put kiosks in big-box stores. That may be a big reason that the OnePlus 3 sells for half the price of its competition. It sure isn't because there's anything wrong with the phone. Go ahead: Dare to spend less.
Inexpensive for a flagship phone; fast charging; flexible Android overlay; good amount of RAM and storage
Low-light camera performance; comparatively low screen resolution; no SD card slot