One UI 8.5: Samsung Expands Rollout to the Galaxy A Series — Full Device List and European Schedule
27.05.26
Samsung continues the large-scale rollout of One UI 8.5, and the update has now reached the Galaxy A26 — one of the most popular mid-range smartphones. Alongside the start of the firmware distribution, an expanded list of Galaxy devices has appeared, showing which models are already receiving the update or may get it in the coming months.
Galaxy A26 officially joins the One UI 8.5 rollout
Samsung has begun rolling out the stable version of One UI 8.5 for the Galaxy A26. The first users to receive the update are in Guatemala, where the firmware appeared under build number A266MUBU9CZEA.
The smartphone originally launched with One UI 7 and later received an update to One UI 8. Now, the Galaxy A26 is gradually being upgraded to One UI 8.5 — the latest version of Samsung’s interface, which debuted alongside the Galaxy S26 series.
Previously, the model had already appeared in leaks and internal Samsung testing lists, but only now has the rollout reached the stable distribution phase.
Expanded One UI 8.5 availability schedule — device status (Europe, May 2026)
| Series / Model | Availability in Europe | Current period | OEM readiness | Technical status |
|---|---|---|---|---|
| Galaxy S26 / S26+ / S26 Ultra | Available | Since March 2026 | 100% | Pre-installed One UI 8.5 firmware |
| Galaxy S25 / S25+ / S25 Ultra | Available | Since May 11, 2026 | 100% | Stable rollout in Europe |
| Galaxy S25 FE | Available | Since May 12, 2026 | 100% | FE line synchronized with S25 |
| Galaxy S24 / S24+ / S24 Ultra | In progress | May 11–20, 2026 | 100% | Phased OTA rollout in Europe |
| Galaxy S24 FE | In progress | May 2026 | 100% | Released after the main S24 series |
| Galaxy Z Fold7 / Z Flip7 | Available | May 11–15, 2026 | 100% | Synchronized with the S25 series |
| Galaxy Z Fold6 / Z Flip6 | In progress | Second half of May 2026 | 100% | OTA rollout via Samsung servers |
| Galaxy S23 / S23+ / S23 Ultra | In progress | End of May 2026 | 98% | Phased rollout in Europe |
| Galaxy S23 FE | In progress | June 2026 | 95% | Released after the main S23 series |
| Galaxy S22 / S22+ / S22 Ultra | Expected | June – July 2026 | 85% | Preparation for European release |
| Galaxy S21 FE | Expected | July 2026 | 60% | Dependent rollout decision by Samsung |
| Galaxy A56 | Available | May 2026 | 100% | Synchronized with flagship updates |
| Galaxy A55 | In progress | May – June 2026 | 97% | Phased regional rollout |
| Galaxy A54 | In progress | June 2026 | 95% | Released after A55 |
| Galaxy A53 | In progress | June – July 2026 | 70% | Limited rollout in Europe |
| Galaxy A26 | In progress | May 2026 | 90% | Early rollout detected in select regions |
| Galaxy A36 | In progress | May – June 2026 | 90% | Test OTA rollout |
| Galaxy A35 | Expected | June 2026 | 80% | Awaiting launch in Europe |
| Galaxy A34 | Expected | June 2026 | 75% | Preparation after A35 |
| Galaxy A33 | Expected | July – August 2026 | 50% | Region-dependent release |
| Galaxy Tab S11 | Available | May 2026 | 100% | Synchronized with flagship smartphones |
| Galaxy Tab S10 | In progress | May – June 2026 | 95% | Phased tablet OTA update |
| Galaxy M55 | In progress | June 2026 | 85% | Mid-range segment, after A series |
| Galaxy M54 | Expected | July 2026 | 60% | Not confirmed for Europe |
| Galaxy M35 | In progress | June 2026 | 80% | Mid-range update segment |
| Galaxy F55 | In progress | June 2026 | 85% | Parallel rollout with M55 |
| Galaxy F54 | Expected | July 2026 | 60% | Regionally limited release |
| Galaxy F35 | In progress | June 2026 | 80% | Mid-range F series |
What’s new in One UI 8.5
One UI 8.5 brings improvements in interface design, performance, and security.
- Smoother system animations;
- Improved battery efficiency;
- Updated Quick Share features;
- New Galaxy AI capabilities;
- Enhanced photo processing;
- Latest Samsung security patches.
For more details on what One UI 8.5 brings, you can read our article: “One UI 8.5: a new life for older Samsung smartphones — what the update brings”.
Since Samsung rolls out One UI 8.5 in waves, update availability may vary even within the same country.
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