OnePlus 8, OnePlus 8 Pro and OnePlus 8T receives OxygenOS 12 open beta Scott Marlette Feb 25, 2022 After OnePlus 9R, OnePlus has rolled out the OxygenOS 12 beta update to OnePlus 8, 8T and 8T Pro. OxygenOS 12 is based on Android 12and comes with work life…