Google has released the latest security patches for the Android 8.0.0 operating system. If you have a Nexus 6P or Nexus 5x or any other Nexus devices please watch for update notification.
Android 8.0.0 November 2017 Security Patch Released
This update size is around 41.1 mb for the Nexus 6P and could vary based on your Nexus model.
Google has released this month’s i.e November 2017 (2017-11) Security patches on 6th day (usually 5th but it was a holiday) of the month as expected.
Android O Security update available notification for November 2017
Phone -> About screen after 2017-11 security update
So, If you have a Google Nexus Android phone you may have been already prompted for an update or just head to the About -> System Updates -> Check for Update and it’ll trigger an update. If still doesn’t show tap the Update a few times before the Download update shows up.