only 2018 j series have oreo but the chances of j 2016 to 2017 May be get Android update But Samsung not given more then two os update for his old devices because it causes sales drop
Thanks for being with Samsung and for sharing your feedback. Sir, Samsung offers you the best value on the product released. Updates are rolling out by time to time for the devices, However it totally depends on the availability and compatibility of the update with the devices.
