Samsung is entering the final stages of rolling out Android 9 Pie updates to its eligible devices. As of this writing, only a handful of them remains and it seems the long wait is coming to an end pretty soon.
If you have waited for Pie to arrive on your Samsung Galaxy Tab S3, Galaxy J7 Duo, Galaxy J3 2017, Galaxy Tab A 10.5, and Galaxy Xcover 4 for close to a year now, you can surely wait for a couple or so more months.
This is if the information we have from Samsung Turkey is true. The company has updated multiple device software support pages with release dates for Android Pie.
Both the Wi-Fi only (SM-T820) and LTE (SM-T827) variants of the Tab S3 are expected to get Pie on August 8. This will be after the OS arrives on the Galaxy Tab A 10.5 2018 (SM-T590) on July 18 and Galaxy Xcover 4 (SM-G390F) on July 25.
For those using the Galaxy J7 Duo (SM-J720F) and Galaxy J3 2017 (SM-J330F), the Pie update will arrive August 22 and August 29, 2019, respectively.