One UI 9 is the final major update for these older Samsung Galaxy phones

The Galaxy S23, Z Fold 5, Z Flip 5 and 2023's A-series phones stop at Android 17, with security patches running into 2028.

By Luke James Nov. 14, 2026 8:15 am EST Adam Kovacs/Shutterstock Add Engadget on Google: Google Discover

If you picked up a 2023 Samsung flagship, you're getting your last major update. One UI 9, Samsung's Android 17-based software, began reaching the Galaxy S23, S23+ and S23 Ultra in South Korea on October 14, 2026, arriving in Europe a few days later.