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Android Authority Guide Explains Sideloading and Updating Kvaesitso Outside Google PlayGoogle Messages Beta Hints at New Search Tools, Including Samsung S Finder SupportHonda Reaffirms Momenta ADAS Partnership, Sets Rollout From 2027 ModelsH Company Releases Holo4 Agentic Models in Two Sizes, Adds Holotron4 NanoCohere AI chief: US and China will hold us 'by the throat' without local capabilitiesReport: Parental Monitoring Can Reduce Kids’ Screen-Time and Social-Media Harms
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Samsung Expands Stable One UI 9 Rollout for Galaxy S26 in the US, Publishes Official Changelog

Samsung has confirmed stable One UI 9 for more Galaxy S26 models in the US and published the full changelog.

AI News Feed · 2026-09-28 18:43

Samsung’s firmware pages now list stable One UI 9 builds for the Galaxy S26, Galaxy S26 Plus, and Galaxy S26 Ultra on T-Mobile, Metro by T-Mobile, and US Cellular. The US firmware carries build number S94xUSQU4BZID and includes a September 5, 2026 security patch. Samsung’s support pages for these models are now live.

The rollout had a slow start. Last week, the first signs of the stable Android 17 update came from Galaxy S26 Ultra owners on T-Mobile, but Samsung itself had not provided official confirmation at that point. The company’s updated support and firmware pages now make the release more clear for additional US carrier variants.

The official changelog details new Galaxy AI, Samsung Health, privacy, Bixby, accessibility, and DeX features. Android Authority reported that unlocked models are also beginning to receive the update, alongside the carrier-listed versions.

Editor's Summary Samsung has confirmed the stable One UI 9 rollout for more Galaxy S26 models in the US and released the full changelog. The update is listed for T-Mobile, Metro by T-Mobile, and US Cellular variants, while unlocked devices are also starting to receive it. The release includes a September 5, 2026 security patch and features across Galaxy AI, Samsung Health, privacy, Bixby, accessibility, and DeX.