Galaxy M Series Joins Samsung’s One UI 8.5 Test Builds

Samsung has started testing One UI 8.5 on the Galaxy M series — the M54 has been spotted in UAE, Malaysia, Saudi Arabia and Thailand. Stable rollout likely after the Galaxy S26 launch, with flagships first.

Emma Collins Emma Collins . Comments
Galaxy M Series Joins Samsung’s One UI 8.5 Test Builds

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Samsung has quietly started testing One UI 8.5 on its budget-focused Galaxy M lineup. A Galaxy M54 has been seen running an early build, signaling that the affordable mid-range phones are now in the update pipeline even if a wide release is still some way off.

Where the test builds are appearing

Reports show the One UI 8.5 test firmware for the Galaxy M54 surfacing in markets such as the United Arab Emirates, Malaysia, Saudi Arabia and Thailand. The Galaxy M series is typically concentrated in those regions, so this limited regional rollout isn’t surprising for Samsung’s value-oriented models.

That initial spotting doesn’t mean everyone will get the stable update immediately. Samsung is likely uploading more test builds to its servers for additional M devices over the coming weeks, but an official public release will follow a more cautious timetable.

When M-series owners can expect the stable update

If you’re holding a Galaxy M device, temper expectations: One UI 8.5 is expected to reach stable release only after Samsung debuts the Galaxy S26 series, likely around March next year. Even then, flagship phones will be prioritized, so M-series handsets will probably receive the stable build later in the rollout.

In short, the M54 sighting confirms development is under way — good news for owners — but don’t expect an immediate upgrade. Keep an eye on regional beta announcements and Samsung’s firmware channels if you want early access.

Source: sammobile

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