Samsung Begins One UI 8 Rollout for Galaxy Tab S9 in Asia, Europe, North America and Latin America

Overview

• Samsung has started pushing Android 16–based One UI 8 to the Galaxy Tab S9, S9+ and S9 Ultra as a phased over‑the‑air release across multiple regions.
• Initial firmware includes X710XXU5DYI5 for Tab S9 units in South Korea and DYJ1 builds for other markets, with S9/S9+/S9 Ultra listed as X710/X810/X910XXU5DYJ1.
• New Galaxy AI features include Portrait Studio pet effects, faster AI text selection, improved layouts for translated or summarized text, and translation for emergency alerts.
• Tablet productivity gets a lift with a redesigned DeX based on Android 16’s Desktop Mode, a multi‑pane My Files app, three‑app split‑screen support, a refreshed Samsung Internet menu, and Now Bar additions.
• Separately, the Galaxy Tab S10 Lite received its first major OS upgrade to One UI 8 in South Korea with the September 2025 security patch, and Samsung indicated other countries may follow within a week or two.