Samsung Rolls Out Stable One UI 9 to Galaxy S24, Fold 6, Flip 6 in Korea
The stable Android 17-based update is now available in South Korea, with OTA sizes ranging from about 408MB to 3.8GB depending on the device.
Samsung has started rolling out stable One UI 9, based on Android 17, to the Galaxy S24 series, Galaxy Z Fold 6, and Galaxy Z Flip 6 in South Korea, according to androidauthority.com. The update is going out now in the company's home market.
Galaxy S24 owners who were on the One UI 9 beta are receiving an OTA of roughly 500MB carrying firmware S92xNKSUGEZIF and the September 5, 2026 security patch. Those upgrading from One UI 8.5 face a much larger download of around 3.8GB.
For the Galaxy Z Fold 6 and Galaxy Z Flip 6, the Korean build is EZIH, with a beta-to-stable OTA of about 408MB. A full package for these foldables comes in at roughly 3.5GB.
What's in One UI 9
One UI 9 brings expanded Galaxy AI features, Quick Panel customization, privacy and security improvements, and upgrades to Samsung Health.
Samsung first began the One UI 9 rollout with the Galaxy S26 series, and more recently expanded it to the Galaxy S25 family and last year's foldables.
Quick answers
Which devices are getting stable One UI 9 now?
Samsung has begun the rollout for the Galaxy S24 series, Galaxy Z Fold 6, and Galaxy Z Flip 6 in South Korea.
How big is the One UI 9 update?
Galaxy S24 beta users get an OTA of roughly 500MB, while those coming from One UI 8.5 face about 3.8GB. The Galaxy Z Fold 6 and Flip 6 get a beta-to-stable OTA of around 408MB or a full package of about 3.5GB.
What security patch does the update include?
The Galaxy S24 build carries the September 5, 2026 security patch.