One UI 9: rollout, compatible phones and key new features

Last update: September 29, 2026
  • Phased deployment: One UI 9 launches with the Galaxy S26 in South Korea and is gradually reaching more markets, with no official release date for Spain.
  • Android 17 Base: It incorporates improvements to Galaxy AI, security, Now Brief, Now Nudge, Interpreter and voice recording.
  • Wide compatibility: The indicative lists include Galaxy S26 to S23 series, recent Z Fold and Z Flip foldables, and many Galaxy A and M models.
  • Manual check: The reliable way to find out if you're eligible is Settings > Software update > Download and install.

One UI 9 interface on a Samsung Galaxy

Samsung's new One UI 9 interface, based on Android 17 , is no longer just a promise. The stable rollout began with the Galaxy S26 in South Korea and has been appearing in other markets, although there is still no official release date confirmed for Spain and much of Europe.

This isn't a radical redesign, but rather a fine-tuning with improvements to Galaxy AI, security, and personalization . Availability depends on the model, country, and even the carrier, so it's best to check the schedule carefully and verify the status directly on your phone.

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A rollout that is progressing in phases and without a confirmed European date

One UI 9 on a Samsung Galaxy phone

Samsung began rolling out One UI 9 on September 16 with the Galaxy S26, S26+, and S26 Ultra. Prior to that, some foldable phones, such as the Galaxy Z Fold8, Z Fold8 Ultra, and Z Flip8, had already launched with this version pre-installed, according to data shared by the company and reported in various publications.

South Korea was the first market to receive it. Afterward, the United States began seeing the update in the Galaxy S26, fueling hopes that the rollout to Europe would follow shortly thereafter. In Spain, however, there are no concrete dates or official announcements for the S26 series models.

In Thailand, Samsung initially listed September 21st as the release date for the Galaxy S26, then moved it to the 28th. Later, specific references to the date disappeared from their communications, and the company did not explain the change. Samsung itself has pointed out that regional rollouts are not simultaneous , so an adjustment in one country does not automatically imply the same delay in others.

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The situation makes one thing clear: don't take a date seen on social media or in a specific market as a global one. Until Samsung publishes a schedule for Spain, the only reliable information is to check the device itself and pay attention to the company's announcements.

New features: Android 17, Galaxy AI and a more polished interface

One UI 9 features on Samsung

One UI 9 is based on Android 17 and replaces One UI 8, which arrived with Android 16. The focus isn't so much on changing everything at once, but rather on refining interface details , improving fluidity, and reinforcing existing features. Among the known changes are more rounded elements, increased transparency, and adjustments to the lock screen.

Artificial intelligence is gaining traction with tools like Now Brief , which allows for personalized content using cards, and Now Nudge , which offers contextual suggestions during certain tasks. These features are designed to assist the user without forcing them to constantly switch between applications.

The Interpreter feature has also been improved , with a threaded view that makes it easier to follow translated conversations and review previous exchanges. In addition, One UI 9 for Samsung devices includes new features for document scanning and voice recording, with options to generate more structured summaries of recordings.

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In terms of security and privacy, Android 17 and One UI 9 incorporate more refined mechanisms for controlling permissions and detecting unnecessary background access. One recurring theme in leaks and reports is that not all Galaxy devices will receive exactly the same features , as some depend on the hardware, model, and market.

  • Android 17 Base: New version of the system with privacy and performance improvements.
  • Galaxy AI: Now Brief, Now Nudge, Interpreter, Document Scan and Voice Recorder.
  • Interface: Visual tweaks, more transparencies, and adjustments to the lock screen.
  • Safety: more detailed permission controls and privacy notices.

Compatible Galaxy phones: a broad, but not exhaustive list

List of mobile phones compatible with One UI 9

Samsung has not released a definitive global list of all models that will receive One UI 9. What is circulating is a tentative list based on already confirmed devices and their launch and compatibility . This list includes the Galaxy S26, S25, S24, and S23 , including the FE models where applicable.

Among foldable phones, the compilations mention the Galaxy Z Fold7, Z Fold6, Z Fold5, and the Z Flip7, Z Flip6, and Z Flip5 , in addition to FE variants and some special editions depending on the market. The Galaxy A series also features prominently, with models from various generations that are still within their support period.

In the mid-range and entry-level segments, the models range from the Galaxy A57, A56, A55, and A54 to the A37, A36, A35, A34, A26, A25, A24, A17, A16, A15, and A07. The M series includes names such as M56, M55s, M55, M54, M34, M16, M15, and M06. These lists may vary by country and should not be considered a definitive schedule.

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The first to receive the update will be the Galaxy S26, followed by the S25 and the latest foldable phones. For the rest, the order will depend on Samsung and factors such as the specific variant, carrier, and region. Having a relatively new model helps, but it doesn't guarantee receiving the update on day one.

Which models are excluded and why it's not a technical problem

Samsung models and One UI 9

The dividing line lies with the generations that have already exhausted their major updates. In the high-end range, the Galaxy S22, S22+, and S22 Ultra are excluded from Android 17, as are the Galaxy Z Fold4 and Z Flip4 . This isn't because Samsung has proven its hardware incapable, but because its committed update cycle has already been completed.

That doesn't mean those phones will stop working or that they'll be left without any patches. A major new system version is one thing, and security updates are quite another. A Samsung phone that loses One UI 9 may continue to receive bug fixes for a while, but it won't have access to the new features of Android 17.

It's also important to distinguish between feature compatibility and the overall experience. Just because a model receives One UI 9 doesn't mean it will have all the Galaxy AI tools. Samsung typically distributes certain capabilities based on the processor, memory, country, or language, so two phones with the same version may not offer the same features.

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How to check if it's already available on your Galaxy

One UI 9 update on Samsung Galaxy

The most direct way to find out is to go to Settings > Software update > Download and install . If One UI 9 is available for your model and market, the option to download it will appear. Samsung Members may also display notifications and information about availability.

If the update doesn't appear, it could simply be that your device is still waiting its turn in the gradual rollout. However, if your model has already reached the end of its main Android generations, it won't become compatible just because other Galaxy devices have started receiving it. The compatibility list is not the same as a release date.

For users in Spain, the recommendation is not to get hung up on dates that correspond to Korea, the United States, or Thailand. Samsung usually rolls out the version in waves, and if the pattern of previous years follows, Europe will receive the version after the first markets , although there is no official confirmation yet.

One UI 9 arrives as a mature update: it doesn't promise to revolutionize the phone, but it does streamline the user experience, improve security, and bring Galaxy AI to more tasks. The rollout continues, with the Galaxy S26 leading the way and a list of compatible devices spanning many generations. In Spain, for now, patience is key, and users should check Settings from time to time, as the exact date is still unconfirmed and will depend on the specific model and market.

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