Android 8.0 Oreo update for Samsung Galaxy Tab S3 is now rolling out
https://www.techradar.com/news/android-80-oreo-update-for-samsung-galaxy-tab-s3-is-now-rolling-out
UK owners of the Samsung Galaxy Tab S3 should now find the latest version of Android rolling out on their tablets.
The over-the-air update is free, and brings with it the latest security patches along with new features from Android 8 Oreo.