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Topic

Software Updates

Samsung Galaxy S23, S23+ and S23 Ultra on display at a retail store — one of the devices now receiving the One UI 9 (Android 17) update

Samsung Starts One UI 9 (Android 17) for the Galaxy S23, Z Fold5, Z Flip5 and Galaxy A37, Starting in South Korea

Stable One UI 9 (Android 17) started for the Galaxy S23 series, Z Fold5, Z Flip5, A27 and A37 in South Korea on October 14-15, 2026.

Analysis & guides

Samsung Galaxy S23, S23+ and S23 Ultra on display at a retail store — one of the devices now receiving the One UI 9 (Android 17) update

Samsung Starts One UI 9 (Android 17) for the Galaxy S23, Z Fold5, Z Flip5 and Galaxy A37, Starting in South Korea

The rollout has moved from the S26 to the S24 and now older phones. Outside South Korea, there are no dates yet.