Following beta builds going out since April, OnePlus has today released the stable update to Android 9 Pie for the OnePlus 3 and 3T. It comes as OxygenOS 9.0.2 for both devices. As you might expect, this means you'll get the new Pie UI, but there are more goodies baked in, like customizing the time range in the new Do Not Disturb mode, support for Google Duo video calls in the Dialer app, support for Google Lens in the Camera app, as well as the usual general bug fixes and improvements. The new software comes with the April 2019 security patch level, and adds Gaming mode 3.0, with...
Source: https://www.gsmarena.com/oneplus_3_and_3t_get_android_9_pie_update-news-37173.php