Following weeeks of teasers, OnePlus finally took the wraps off the OnePlus 9, the OnePlus 9 Pro, and the OnePlus 9R today. The OnePlus 9 Pro is the hero device of the trio, sporting ultra-premium hardware (and an ultra-premium price tag to boot). Featuring a large 6.7-inch AMOLED display that runs at Quad HD+ resolution…