When Android Pie launched, OnePlus promised that the OnePlus 6, 5/5T, and 3/3T would all be updated to the next version of Android. So far, OnePlus has held beta programs and officially released Android Pie for the OnePlus 6 back in September, and the OnePlus 5 and 5T back in December. We are finally seeing progress on the long-awaited Android 9.0 Pie update for the OnePlus 3 and 3T. On Friday morning, a OnePlus staff member announced that it was opening registrations for a closed beta of selected OnePlus 3 and 3T users for early builds of Oxygen OS running Android Pie. OnePlus...