Essential has just announced on Twitter that those on the Oreo Beta on the Essential Phone can update to Android Oreo 8.1 Beta. Those of you with Android 7.1 will also be able to participate by sideloading the update. Essential is working on posting the update to its website, so the only way to get Oreo 8.1 Beta at the moment is via an OTA update. We just started rolling out Oreo Beta 8.1 through OTA. This update includes February security patches, dynamic calendar and clock icons, a slow-scrolling jitter fix (beta), and more. 😍 #EssentialPhone Essential (@essential) February...
Source: https://www.gsmarena.com/essential_rolls_out_oreo_beta_81-news-29630.php