Samsung announced the expansion of One UI 7, its interface based on Android 15, to 46 Galaxy devices, solidifying its leadership in the global smartphone and tablet market. The update, which began rolling out in 2024, covers premium models, mid-range devices, and tablets, delivering advanced artificial intelligence, a modernized design, and optimized 5G connectivity. This strategy underscores the South Korean company’s commitment to serving diverse consumer profiles, from tech enthusiasts to users of affordable devices.
The rollout, initiated in the second half of 2024, now progresses in 2025 with a varied list of devices, including the Galaxy S, Z, A, M, and Tab series. Artificial intelligence is the highlight, with assistants that personalize the user experience by suggesting practical actions based on daily habits. The revamped design, featuring sleek icons and fluid animations, enhances navigation, while strengthened security protects data in an increasingly connected world.
This expansion targets global markets, with Brazil as a key focus due to its large user base. Samsung estimates that over 100 million devices will be updated by the end of 2025, bringing noticeable improvements in performance and usability. Below are the main aspects of One UI 7:
- Artificial intelligence: Predictive assistants for daily tasks.
- 5G connectivity: Reduced latency and greater stability.
- Modern design: Fluid interface with redesigned icons.
First devices updated
The Galaxy S25 series, launched in January 2025, came with One UI 7 pre-installed, leveraging next-generation processors to maximize AI capabilities. Models like the Galaxy S25 Ultra offer detailed customization and smooth performance in tasks such as video editing and social media browsing. The interface is designed to highlight the power of these devices, with seamless transitions and quick responses.
The Galaxy S24, S24+, and S24 Ultra began receiving the update in September 2024. These globally popular smartphones now feature tools that extend battery life and enhance photography. The camera app, for instance, uses AI for real-time adjustments, such as removing unwanted objects and correcting lighting, delivering near-professional results.
Foldables like the Galaxy Z Fold 6 and Z Flip 6 were also prioritized. The interface was tailored for flexible displays, enabling up to three apps to run simultaneously with simplified navigation. This functionality caters to professionals needing multitasking and users exploring gaming and streaming in unique formats.
Full list of supported models
The variety of updated devices reflects Samsung’s strategy to unify its product lineup. The initial list includes premium models and tablets, with mid-range devices scheduled for the coming months. Below are the confirmed devices:
- Galaxy S series: S25, S25+, S25 Ultra, S24, S24+, S24 Ultra, S23, S23+, S23 Ultra, S22, S22+, S22 Ultra.
- Galaxy Z series: Z Fold 6, Z Fold 5, Z Fold 4, Z Flip 6, Z Flip 5, Z Flip 4.
- Galaxy Tab series: Tab S9, S9+, S9 Ultra, Tab S8, S8+, S8 Ultra.
- Galaxy A series: A74, A54, A34.
- Galaxy M series: M54, M34.
The inclusion of models like the Galaxy S22, launched in 2022, underscores Samsung’s commitment to extended support, ensuring older devices remain relevant.
Artificial intelligence at the core
One UI 7 takes artificial intelligence to a new level. Integrated assistants analyze usage patterns, suggesting shortcuts for tasks like replying to messages or adjusting screen settings based on the time of day. This personalization reduces manual configuration time, making devices more intuitive.
The power-saving feature, for example, uses machine learning to optimize consumption, with tests showing up to 15% battery life improvement during streaming or gaming. In models like the Galaxy S25 Ultra, AI also adjusts processor performance, balancing power and efficiency across applications.
Photography is another standout, with advanced editing tools in the native camera app. Users can remove background noise from videos, enhance colors automatically, and correct imperfections in portraits. These features, once limited to paid software, are now available on mid-range devices like the Galaxy A54, broadening access to high-end tools.
Security as a priority
Protecting personal data is critical in One UI 7. The interface introduces granular permission controls, allowing users to limit app access to data like location or contacts. For instance, an app can be set to access location only while in use, reducing tracking risks.
Samsung Knox, the company’s security platform, was updated with real-time monitoring, blocking unauthorized access attempts. Paired with Android 15, the system provides robust defenses against malware, essential for users storing sensitive data like financial information.
Compatible devices will receive security updates for up to five years, depending on the model. This policy extends device lifespan, particularly in markets like Brazil, where frequent smartphone upgrades are less common.
Support for older models
While the focus is on recent devices, Samsung maintains partial support for older models. The Galaxy S21 series, launched in 2021, won’t receive the full One UI 7 experience but will remain eligible for security patches until 2026 in some regions. This approach keeps these devices functional, albeit without the latest features.
Mid-range models like the Galaxy A53 also benefit from extended support. In markets like Brazil, where entry-level and mid-range devices dominate sales, this strategy ensures access to performance and security improvements for a broad user base. Regional variations, however, may affect update timelines, with unlocked models prioritized.
Global implementation phases
The One UI 7 rollout follows a structured schedule to ensure stability. The process, which began in 2024, spans 2025 and covers various device categories:
- September to October 2024: Galaxy S24, S24+, S24 Ultra, Z Fold 6, Z Flip 6.
- January to March 2025: Galaxy S23, S23+, S23 Ultra, S22, S22+, S22 Ultra, Tab S9, Tab S8.
- April to June 2025: Galaxy A74, A54, A34, M54, M34.
- July to December 2025: Remaining models and regional adjustments.
Users can check availability in software settings, with Samsung recommending a stable Wi-Fi connection and battery above 50% during the process. Carrier-locked models may face delays due to regional customizations.
Optimizations for foldables
The Galaxy Z Fold 6 and Z Flip 6 foldables receive exclusive One UI 7 tweaks. The interface maximizes flexible displays, supporting multitasking with up to three apps running simultaneously. This feature suits professionals switching between spreadsheets and video calls or enthusiasts enjoying unique content formats.
Navigation was simplified with intuitive gestures, easing screen splitting. For entertainment, like watching videos while messaging, the experience is smooth. One UI 7 also reduces power consumption on foldable displays, extending hardware durability.
Enhanced 5G connectivity
5G connectivity is a cornerstone of One UI 7. The interface minimizes latency in fifth-generation networks, ensuring fast data transfers and stable video calls. In urban areas with established coverage, Galaxy devices deliver consistent performance, even during peak hours.
In rural regions, where 5G infrastructure is still expanding, One UI 7 optimizes transitions between 5G and 4G, preventing connection drops. This flexibility is vital in markets like Brazil, where 5G deployment varies by state. Models like the Galaxy A54 already show speed improvements in tests.
The interface also offers tools to manage data usage, allowing users to set limits for specific apps. This feature is ideal for consumers balancing performance and cost in limited data plans.
Benefits for Galaxy tablets
The Galaxy Tab S9 and S8 series tablets shine with One UI 7. The interface optimizes tasks like video editing and project management, aligning the tablet experience with smartphones. Multitasking features allow multiple apps to run in floating windows, perfect for students and professionals.
Compatibility with accessories, like the S Pen, was enhanced. On the Galaxy Tab S9, stylus latency was reduced, improving precision for notes and drawings. Battery life also benefits, with adjustments extending usage time in activities like reading or presentations, offering up to 20% gains in light scenarios.
Integration in the Galaxy ecosystem
One UI 7 strengthens connectivity across Galaxy devices. Smartphones, tablets, smartwatches, and earbuds share data efficiently, enabling seamless transitions. For example, a call started on the Galaxy S25 can be transferred to the Galaxy Tab S9 without interruption.
Native apps like Samsung Notes sync data in real time, streamlining workflows in professional settings. The Galaxy Watch displays detailed One UI 7 notifications, allowing quick replies without touching the phone. This integration encourages brand loyalty.
Focus on mid-range models
The inclusion of mid-range devices like the Galaxy A54 and M34 broadens One UI 7’s reach. Popular in Brazil, these models gain flagship features, such as AI-based photo editing tools. The Galaxy A54, for instance, delivers sharp photos in low light, appealing to budget-conscious consumers seeking quality.
The M series, designed for long battery life, pairs One UI 7’s power-saving features with robust batteries. The Galaxy M34, for example, is ideal for users relying on their phone for extended periods, offering reliable performance for daily tasks.
Features transforming the experience
One UI 7 introduces functionalities that elevate usability. Below are some highlights:
- Revamped design: Modern icons and smooth animations.
- Predictive AI: Task automation based on habits.
- Power saving: Up to 15% battery life improvement.
- Advanced camera: Real-time editing for photos and videos.
- Enhanced security: Real-time monitoring with Samsung Knox.
These features, combined with 5G connectivity, position Galaxy devices as future-ready options, meeting the demands of a dynamic market.
Global strategy and Brazilian market
Samsung maintains its Android ecosystem leadership with up to four years of system updates and five years of security patches for premium models. Brazil, with its large user base, is a priority market, particularly for the A and M series, which dominate local sales.
Integration with services like Google Gemini enhances One UI 7’s versatility, enabling advanced voice assistant interactions. The company also adapts the interface to comply with regional privacy and connectivity regulations.
