Samsung Rolls Out Stable One UI 9 to Galaxy Quantum 7 in South Korea
The Galaxy Quantum 7 update is based on Android 17 and carries the September 5, 2026 security patch, making the Galaxy A57 5G the first A-series phone to get stable One UI 9.
Samsung has released the stable One UI 9 update for the Galaxy Quantum 7 in South Korea, according to Android Authority. The update carries firmware version A576SKSU2BZIE.
The release makes the Galaxy A57 5G the first A-series phone to receive the stable One UI 9 build. The Galaxy Quantum 7 is the South Korean counterpart of the Galaxy A57 5G, and the two devices share the Exynos 1680 chipset.
The stable update is based on Android 17 and includes the September 5, 2026 security patch. Owners of the US Galaxy A57 5G have not received One UI 9 yet.
What's in One UI 9
The build brings expanded Quick Settings customization, a fast security-lock option, a location-access indicator, a Samsung Health redesign, Bixby conversation-history controls, and a home-screen widget.
Samsung had previously invited multiple Galaxy A-series models into the One UI 9 beta program, which is normally dominated by its pricier flagships. The Galaxy A57 5G beta testing ran for over a month. The stable rollout began on the same day the Galaxy S24 series and 2024 foldables got the update, with Samsung's official changelog dating the stable release to October 6.
Quick answers
Which phones got stable One UI 9?
Samsung released the stable One UI 9 update for the Galaxy Quantum 7 in South Korea, making the Galaxy A57 5G the first A-series device to receive it.
What Android version is One UI 9 based on?
The stable update is based on Android 17 and includes the September 5, 2026 security patch.
Has the US Galaxy A57 5G received One UI 9?
No. The US Galaxy A57 5G has not received the One UI 9 update yet.