Galaxy S26’s stable One UI 9 rollout is expanding in the US, with an offici

[phillynews215]

TL;DR

• Samsung has officially confirmed the stable One UI 9 rollout for more Galaxy S26 series models in the US.
• T-Mobile, Metro by T-Mobile, and US Cellular variants now have official Samsung firmware listings, while unlocked models are also starting to receive the update.
• Samsung has published the full stable One UI 9 changelog, detailing new Galaxy AI, Samsung Health, privacy, Bixby, accessibility, and DeX features.

Samsung’s One UI 9 rollout for the Galaxy S26 series in the US got off to a slightly 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 hadn’t provided official confirmation. That picture is finally getting clearer, as Samsung has now updated its own support pages to confirm the stable release for more US carrier variants — and we’re also seeing signs that unlocked phones are joining the party.

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




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