The OnePlus 7T for T-Mobile has terrific performance for its price, but it occupies an uncomfortable place in the company's phone lineup.
For years, OnePlus had a simple strategy: Release one phone, its best, at any given time. Often that was two phones a year, but that was fine; each phone was its best at the moment. This year, the company has already released three versions of the OnePlus 7: the OnePlus …
