Google decided to do something different with its Android Q previews – it opened up to twelve producers. OnePlus is in this list, and today it releases its second Android Q-build for OnePlus 6 and 6T. Unfortunately, a factory reset is required to upgrade.
OnePlus calls its builds "developer previews" that Google used. But that makes it crucial which Android Q Beta build this second developer preview is based on a bit difficult. We are not the only confused; The OnePlus forum is filled with OP6 / 6T owners asking the same question.
Whether you're currently on the Steady Track, Open Beta track or first developer preview, delete your data for flash DP2. The forum post, which is linked below, contains the download links and flashing instructions.