Samsung runs an interesting site in Turkey, the name of which translates to “Are we up to date?” and it does what it says on the tin. It tells you the planned release date of upcoming Android updates for the company’s Galaxy phones.
Obviously, this is for Turkey and schedules can differ from country to country but usually not by much. Here’s the Android 8.0 Oreo schedule for some of the more interesting phones:
Samsung Galaxy Note8
Samsung Galaxy S7
Samsung Galaxy S7 edge