A new One UI 8.5 Beta update is in the making for the Galaxy S25 series, but a report signals a feature gap with Samsung’s Galaxy S26 series.

Samsung may release the 8th One UI 8.5 Beta for the Galaxy S25 series next week, but the ZZCB build doesn’t add new features from the Galaxy S26 series.

Tipster TarunVats, who may have already installed the ZZCB build on his Galaxy S25 Ultra, reports the feature gap with the Galaxy S26 lineup. If this build comes out, users might end up having an uninteresting experience.

It seems the source is talking about the best features of the Galaxy S26 series, such as Now Nudge, Photo Assist with text input, and enhanced Now Brief.

This move isn’t shocking either. Samsung usually keeps new features on hold for a certain time to prioritize the sales of new phones. Once they achieve their pre-determined milestone, feature expansion begins.

Meanwhile, it could stretch the ongoing delay of Stable rollout. It’s been around three months, and Galaxy S25 users are testing Beta firmware. One UI 8.5 has gone official with the S26 series, but S25’s Beta may not end early.

If Samsung goes ahead to test S26 features before public deployment, we may see the Beta Program extended. It doesn’t sound like good news for Samsung fans who are desperately waiting for their turn to install the major update.

Samsung knows Galaxy S25 users won’t upgrade to the S26 series on a scale. The upgrade rate from S23 and S24 users is higher than that of the latest models. The upgrade cycle has also been extended by a year to reach around three and a half years.

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One UI 8.5 stable update could arrive in April, and there are two big reasons behind the delay. The distribution of the March patch and expansion of the Beta Program may extend Galaxy users’ wait, and it’s not just an assumption.

Here’s how the March patch and Beta expansion could affect the Stable release:

March 2026 security patch

Like February, Samsung’s March 2026 update rollout is late. It’s the 19th of the month, and Galaxy flagships have started to receive the latest patches today.

The rollout isn’t just limited to security improvements, but a credible hint that the next update could be One UI 8.5 stable. Everyone’s waiting for this OTA, but March patch has essentially delayed the rollout.

Samsung’s premium Galaxy phones released in 20,25 along with the 2024 foldable,les have started getting the March patch. It’s currently limited to South Korea, and expansion would take days to cover users around the world.

Expansive One UI 8.5 Beta

Expansion of the One UI 8.5 Beta Program is another reason behind the delay in the Stable update rollout. With more devices heading toward a testing phase, the public distribution will naturally be delayed without sparking controversy.

The delay depends on the device you own.

If you have a Galaxy S25 series phone, the One UI 8.5 update could arrive next month. The lineup entered the Beta phase in December and has tested seven Beta builds so far. The stable update could arrive after the rollout of the 8th Beta.

The delay could stretch further if you’re an owner of the Z Fold 7 and Z Flip 7. The two foldable phones have recently entered Beta testing in select countries.

Samsung is also preparing One UI 8.5 Beta for the Galaxy S24 series, Z F, old,6 ,and Z Flip 6. Even if these models stay in Beta for a month, the stable build could be delayed to May.

Image – SammyFans

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Samsung once again proved it doesn’t set priority based on device age. Last year’s Galaxy S25 series is getting priority treatment; Samsung started the rollout of the March 2026 security update.

Owners of Galaxy S25, S25+, and S25 Ultra phones have started receiving the March 2026 security update. The update is initially available in South Korea, and users around the world will see the expansion sequentially.

2026 has witnessed a significant delay in Samsung’s software rollout mechanism. The company has stretched the timeline for bringing newer patches. Updates that should have arrived at the beginning are not coming after mid-month.

Though a bit late, the March 2026 update provides necessary patches to Samsung phones. The company revealed earlier this month the details of March SMR; the package contains fixes for 67 vulnerabilities.

Among the total patches, sixty patches come to Android CVEs, while the remaining seven target One UI. Samsung also includes updates for stock apps to elevate the overall user experience, as apps play a vital role in performance.

It’s a seamless update.

Galaxy S25 series supports Seamless Updates functionality. You don’t need to skip the update if you’re busy right now. Let it download and extract while you use your smartphone, as the majority of the process happens online.

Thereafter, a quick reboot will finish the installation process.

To download the update, open system Settings, followed by Software update and Download and install.

Source – Samsung Community Korea

One UI 8.5

Samsung has been running the One UI 8.5 Beta Program since December last year. The company is expected to push another (8th) Beta to the Galaxy S25 series. The stable build will likely be available for the flagship phones next month.

• One UI 8.5 Beta 8 could be the next update for Galaxy S25 series

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