New update OxygenOS 12.1 for Oneplus 7, 7Pro, 7T & 7T pro - What's NEW? HD

Oneplus rolling out new update of OxygenOS 12.1 for Oneplus 7, 7Pro, 7T & 7T pro, Check out our video to know Whats new on this update.#OxygenOS12 #Newupdate...