If your latest Pixel or Nexus device is running on official Android 8.0 Oreo, then you may have received the update.You can manually check for the update from the settings.To manually check for the update, Go to settings > about phone > software update.If there is no update showing on your device, then wait for few more days or just follow the guide to manually Download and Install Android 8.1 Oreo Developer Preview 1 On Pixel and Nexus Devices After the stable release of Android 8.0 Oreo, this is the first time the developer preview of Android 8.1 Oreo, some rumours suggest that a second revision is expected in November and after that, the final stable build of Android 8.1 Oreo will be made available in December. You can download the Factory image files or OTA from the download links below and proceed to install them on your respective devices right now. Make sure your phone is supported and phone’s battery is above 50% and you have all your important data backed up in a safe place before you proceed to install the all-new Android 8.1 Oreo Developer Preview 1 OTA / Factory Image on your Pixel or Nexus device. Make sure the bootloader on your device is unlocked before you proceed to download the factory image files, as you can only flash these files from your bootloader. If you have not yet unlocked the bootloader of your device, follow the instructions here, for Google Pixel and Pixel XL and the instructions here, for Nexus 5X.
Download Android 8.1 Oreo Developer Preview 1
Download Android 8.1 Developer Preview Factory Images Download Android 8.1 Developer Preview OTA
How To Flash /Install Android 8.1 Oreo Developer Preview 1 On Pixel 2 XL, Pixel 2, Pixel, Pixel XL, Nexus 6P, and Nexus 5X
If you want to flash the OTA Update Only then follow this guide > How To Install OTA Firmware Updates Using ADB Sideload and If you want to flash the full firmware files (like in the download section above), follow this guide > Steps To Install Android O 8.0 Developer Preview 3 on Nexus 5X, 6P and Pixel and Pixel XL (Similar Steps) The OTA files for these devices have not been released yet. We will update the links as soon as they are available. Subscribe to our website to receive the notification immediately after we update our posts!