{Updated} Samsung One UI 8.5 Global Tracker + June Update, New Rollouts Live for A15, A24 & Galaxy A54 Updates

Updated {25-June-2026}

Samsung is rapidly wrapping up its Android 16-based One UI 8.5 rollout framework. The development cycle has hit its final refinement stages as engineering priorities officially shift toward internal One UI 9 (Android 17) development pipelines. In a massive global push, Samsung has extended stable coverage to entry-level and legacy models, while simultaneously deploying a heavy wave of June 2026 security maintenance builds.

Key movements today include the massive launch of the June maintenance update for the Galaxy S23 series, S23 FE, Galaxy A54, and Galaxy Tab S10 Ultra in South Korea, alongside an aggressive deployment expansion into India for the Galaxy S24 FE, Galaxy A15 5G, and Galaxy F06. Furthermore, a fresh, optimized One UI 8.5 stability build has officially begun hitting the Galaxy A24.

Below is the newly revised master availability list, detailed with the latest June column statuses, regional footprints, and technical build signatures.

One UI 8.5 Global Rollout Tracker & June Update Status

Detailed Breakdown: June Update Movements & New Releases

1. Legacy & Budget Extensions: Galaxy A15 4G and Galaxy A24

Samsung has officially pushed stable One UI 8.5 code to the Galaxy A15 4G and Galaxy A24 in South Korea. The A15 4G is transitioning to build string A155NKSU9DZF1, while the Galaxy A24 receives build A245NKSU9FZF1. Bringing Android 16-based architecture down to these entry-level tiers shows that Samsung is actively clearing out its One UI 8.5 roadmap backlog.

2. Galaxy S24 Series European Deployment

The flagship Galaxy S24 series has begun scaling its June 2026 security layout throughout Europe under the build ID S928BXXS6DZF2 (and accompanying regional variations). The payload optimizes underlying system stability following the initial core One UI 8.5 upgrade. Following typical rollout behaviors, an OTA notification push into India and secondary Asian markets is expected to land imminently.

3. Turkey Expansion: FE Tier & Galaxy A57

Samsung Turkey has initiated a coordinated rollout for several mid-to-high tier products. This includes the June security update structure for the newly launched Galaxy A57 5G (A576BXXS3AZF4), alongside the Galaxy S25 FE, Galaxy S24 FE, and Galaxy A56. Additionally, the Galaxy A56 June release has separately broken cover across broader European retail channels via build string A566BXXSBCZF5.

4. South Korea: Core June Maintenance Wave (S23 Series, S23 FE, A54 & Tab S10 Ultra)

Samsung has launched a massive, coordinated June 2026 security patch rollout in its home market of South Korea. Built on top of the stable One UI 8.5 architecture, this wave includes the premium Galaxy S23 Series pushing firmware version S918NKSS8FZF1 / S918NOKR8FZF1 with an OTA package size of 444.60 MB.

Concurrently, the Galaxy S23 FE has started hitting carrier networks via build S711NKSSFEZF1 / S711NOKRFEZF1 / S711NKOSFEZE1, while the mid-range Galaxy A54 5G has transitioned to build A546SKSSHFZF2 / A546SSKCHFZF2 / A546SKSSHFZF1. Large-screen flagship users are also receiving immediate coverage, as the Galaxy Tab S10 Ultra has officially picked up its June safety layer under build signature X920XXS8DZF2 / X9200XM8DZF2.

5. India Expansion: Galaxy S24 FE, A15 5G & Galaxy F06

The deployment pipeline has expanded aggressively across the Indian subcontinent today. Notably, the Galaxy S24 FE is now actively receiving its June 2026 security patch update via firmware version S721BXXSCDZF3 / S721BODMCDZF3.

Alongside the Fan Edition flagship, two highly popular budget entries have joined the Indian rollout loop:

• Galaxy A15 5G: Moving to build A156EDX59EZF6 with a swift 282.00 MB download footprint.

• Galaxy F06: Upgrading to build E066BXXS7CZF2 with an OTA package clocking in at 294.67 MB.

6. Galaxy A24 Receives Fresh One UI 8.5 Optimization

Following its initial stable release framework, Samsung has pushed a fresh One UI 8.5 software refinement package to the Galaxy A24. This rollout carries crucial system changes, under-the-hood performance tweaks, and foundational improvements aimed at stabilizing the Android 16-based platform on mid-tier silicon.

One UI 8.5 Quick-Glance Technical Update Summary

===================================================================================
ONE UI 8.5 TECHNICAL ARCHITECTURE & STABLE PACKAGE SUMMARY (JUNE 2026 DEPLOYMENT)
===================================================================================

[NEW SMARTPHONE DEPLOYMENTS & FIRMWARE HIGHLIGHTS]

├─ Galaxy S24 Fan Edition (India Regional Wave)
│  ├── Build ID: S721BXXSCDZF3 / S721BODMCDZF3
│  └── Status: Active OTA deployment live across India channels
│
├─ Galaxy S23 Series & S23 FE (South Korea June Wave)
│  ├── S23 Series Build: S918NKSS8FZF1 / S918NOKR8FZF1 [Size: 444.60 MB]
│  └── S23 FE Build: S711NKSSFEZF1 / S711NOKRFEZF1 / S711NKOSFEZE1
│
├─ Galaxy S24 Series (June Maintenance)
│  ├── Build ID: S928BXXS6DZF2 / S928BOXM6DZF2 / S928BXXS6DZF1
│  └── Target Zone: Live in Europe; India region expansion expected shortly
│
├─ Mid-Range & Budget June Deployments (India & South Korea Hubs)
│  ├── Galaxy A54 5G (SK): A546SKSSHFZF2 / A546SSKCHFZF2 / A546SKSSHFZF1
│  ├── Galaxy A15 5G (India): A156EDX59EZF6 [Size: 282.00 MB]
│  ├── Galaxy F06 (India): E066BXXS7CZF2 [Size: 294.67 MB]
│  ├── Galaxy A56 Build ID: A566BXXSBCZF5 / A566BOXMBCZF5 (Live in EU)
│  └── Galaxy A57 Build ID: A576BXXS3AZF4 / A576BOXM3AZF4 (Live in Turkey)
│
├─ Entry-Tier Expansions (South Korea Public OTAs)
│  ├── Galaxy A15 4G Build ID: A155NKSU9DZF1 / A155NOKR9DZF1
│  └── Galaxy A24 Build ID: A245NKSU9FZF1 / A245NOKR9FZF1
│
└─ Premium Tablet Framework (South Korea)
   └── Galaxy Tab S10 Ultra Build: X920XXS8DZF2 / X9200XM8DZF2

Editorial: The Road to One UI 9.0 (Android 17)

The speed of this rollout confirms a clear strategy: Samsung is wrapping up its current generation to prepare for its next major platform change. With budget-friendly targets like the A15 and F34 safely upgraded to stable code, internal software teams are heavily pivoting resource allocations toward testing One UI 9.0. We anticipate the preliminary developer beta milestones for One UI 9 to pick up substantial momentum heading into July, running alongside next-generation hardware announcements.

What’s New in the June Update? Galaxy AI Feature Drops

The June maintenance release delivers a substantial, highly anticipated suite of productivity-focused Galaxy AI features to the Galaxy S25 series and the Z Fold7/Flip7 ecosystem to close the feature gap with the newer S26 lineup:

• Summarize Notifications: Long, noisy group chat notifications and dense email threads are automatically collapsed into short, plain-language summaries directly within the notification shade.

• Prioritize Notifications: Galaxy AI analyzes user patterns to intelligently reorder incoming alerts, bubbling critical or time-sensitive context to the top of your lock screen.

• Notification Highlights: On-device intelligence draws direct focus to key keywords inside an alert so you can digest information instantly at a quick glance.

• My Files App Summaries: The native Samsung file manager now leverages on-device AI to display instant text summaries of documents, PDFs, and text sheets directly from the file preview pane.

You can read more details about these new features by clicking here.

How to Grab the Latest Build

If your device is listed as “Stable Live,” you can pull the over-the-air (OTA) package manually right now:

1. Go to your device Settings.

2. Scroll down and tap Software update.

3. Select Download and install to fetch the stable payload.

Useful One UI 8.5 Coverage Links

• Major One Ui 8.5 rollout expansion

• One UI 8.5 Coverage Hub

• Galaxy S24 & S23 Stable Rollout Details

• Galaxy A55 & A35 Stable Update Details

• Official One UI 8.5 Rollout Roadmap

• Next Rollout Expansion Details

Interested in reading more about latest news, leaks and reviews of Samsung smartphones? Read our full Samsung coverage by clicking here.

Please follow us on our Facebook page and X account for all latest and breaking Google, Android and Nokia related news.