Last week OnePlus finally outed the first beta build of Android 9 Pie for its smartphones from 2017, the 5 and 5T. And now the company is rolling out a new beta release for the duo, arriving as OxygenOS Open Beta 23 or 21, depending on which device you have. This is going out to the people who have joined the OnePlus beta track. If you've already flashed the previous Open Beta, you will receive the new build as an over-the-air update. Alternatively, if you'd like to switch from stable Oreo to this release, follow the instructions on this page - but keep in mind that these builds may not be...
Source: https://www.gsmarena.com/oneplus_5_and_5t_receive_a_new_beta_build_of_android_pie-news-34775.php
