Samsung announced in April 2025 the expansion of One UI 7, its Android 15-based interface, to 46 Galaxy devices, solidifying its dominance in the global smartphone and tablet market. The update, which began rolling out in 2024, covers everything from the newly launched Galaxy S25 series to mid-range models like the Galaxy A54 and tablets such as the Tab S9. Packed with advanced artificial intelligence, a refreshed design, and enhanced 5G connectivity, the South Korean giant aims to deliver a seamless and modern experience to millions of users worldwide, including in key markets like Brazil, where its user base is substantial. The phased rollout ensures that a wide range of devices receive these innovations throughout the year, balancing cutting-edge technology with accessibility for diverse audiences.
The One UI 7 deployment kicked off in the second half of 2024, initially targeting premium models like the Galaxy S24, Z Fold 6, and Z Flip 6. By 2025, the update has expanded to include the S, Z, A, M, and Tab series, emphasizing performance and customization. Artificial intelligence lies at the core, with assistants that analyze user patterns and offer practical suggestions, such as optimizing battery life or streamlining daily tasks. The interface’s design has been revamped with modern icons and fluid animations, making navigation intuitive across smartphones and tablets, regardless of price point.
Connectivity has also seen significant upgrades. One UI 7 minimizes latency and stabilizes connections, ensuring reliable performance on fifth-generation networks, which are becoming standard globally. Tablets like the Galaxy Tab S9 now support advanced multitasking, while foldables, such as the Z Fold 6, leverage flexible displays with greater efficiency. Samsung projects that over 100 million devices will be updated by the end of 2025, with Brazil standing out as a priority market due to the popularity of its mid-range and budget-friendly offerings.
Initial devices upgraded
Samsung’s commitment to unifying its portfolio is evident in the diverse range of models receiving One UI 7. The first wave includes:
- 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.
This lineup spans flagships and premium tablets, with mid-range devices slated for updates in the coming months. Including older models like the Galaxy S22 underscores Samsung’s focus on extended support.
Galaxy S25 sets the benchmark
Unveiled in January 2025, the Galaxy S25 series launched with One UI 7 pre-installed, harnessing next-generation processors to fully utilize the interface’s capabilities. The S25, S25+, and S25 Ultra feature highly responsive AI assistants that anticipate user needs, such as adjusting screen settings based on ambient light or optimizing background apps. Users report smoother performance in tasks like video editing, social media browsing, and multitasking, with seamless transitions enhancing the overall experience.
The camera system shines with AI-driven tools that enable real-time adjustments, such as removing unwanted objects from photos or auto-correcting lighting. Tests show the Galaxy S25 Ultra delivering near-professional results, with vibrant colors and sharp details even in challenging conditions. Paired with intelligent power-saving features, the S25 series establishes itself as a flagship standard for 2025.
Foldables redefined
Galaxy Z Fold 6 and Z Flip 6 foldables receive tailored enhancements in One UI 7. The interface is optimized for flexible displays, supporting up to three apps running simultaneously with streamlined navigation. This functionality caters to professionals juggling spreadsheets, emails, and video calls, as well as enthusiasts enjoying games or streaming in unique formats.
Gesture-based navigation has been refined, simplifying split-screen multitasking. For entertainment, such as watching videos while texting, the experience remains lag-free. One UI 7 also reduces power consumption on foldable displays, extending hardware longevity. Z Fold 6 users note improved efficiency during extended tasks like document editing or gaming, positioning foldables as versatile tools for work and play.
Security takes center stage
Safeguarding personal data is a cornerstone of One UI 7. The interface introduces granular permission controls, allowing users to restrict app access to sensitive information, like location or contacts. For instance, location access can be limited to when an app is in use, minimizing tracking risks. This detailed approach builds trust in an increasingly complex digital landscape.
Samsung Knox, the company’s security platform, has been bolstered with additional protections. It monitors suspicious activity in real time, thwarting unauthorized access attempts. Paired with Android 15, the system provides robust defenses against malware, critical for users storing financial or corporate data. Compatible devices will receive security updates for up to five years, depending on the model, extending their lifespan in markets where frequent upgrades are less common.
AI for everyone
Artificial intelligence transforms how users interact with One UI 7. Built-in assistants analyze habits, suggesting shortcuts for routine tasks, like drafting replies or tweaking screen settings based on time of day. This personalization minimizes manual adjustments, making devices more intuitive, even for less tech-savvy users.
A standout feature is the power-saving tool, which uses machine learning to optimize battery usage. Tests indicate up to a 15% boost in battery life during heavy use, such as prolonged streaming or gaming. On the Galaxy S25 Ultra, AI dynamically adjusts processor performance, balancing power and efficiency across apps, from casual browsing to intensive video rendering.
Photography leaps forward with advanced editing tools. The native camera app now removes background noise in videos, enhances colors automatically, and corrects portrait imperfections. Previously exclusive to premium software, these features are now available on mid-range models like the Galaxy A54, broadening access to high-quality imaging.
Rollout timeline
One UI 7’s distribution follows a structured schedule:
- 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, and other mid-range models.
- July to December 2025: Final tweaks for remaining and regional devices.
Users can check availability in software settings, with unlocked models typically updated first. Samsung advises using a stable Wi-Fi connection and maintaining at least 50% battery during installation.
5G connectivity boost
One UI 7 takes 5G performance to new heights. The interface slashes latency, ensuring faster data transfers and stable video calls. In urban areas with robust 5G coverage, Galaxy devices deliver consistent performance, even during peak hours. In rural regions, where 5G infrastructure is still growing, seamless transitions between 5G and 4G prevent connection drops.
In Brazil, where 5G deployment varies by state, models like the Galaxy A54 show noticeable speed improvements. Samsung also added data management tools, letting users set app-specific limits to save on restricted plans. This feature resonates in emerging markets, balancing performance with affordability.
Tablets gain flexibility
Galaxy Tab S9 and S8 tablets shine with One UI 7. The interface enhances tasks like video editing, project management, and streaming, aligning tablet functionality with smartphones. Multitasking features allow multiple apps to run in floating windows, perfect for students organizing notes or professionals reviewing presentations.
Accessory compatibility has improved. On the Tab S9, the S Pen’s latency is reduced, offering precision for sketching or note-taking. Battery life benefits from usage-based optimizations, extending runtime for activities like reading or browsing. Users report up to 20% longer battery life during lighter tasks, making tablets viable laptop alternatives for casual productivity.
Mid-range models in focus
One UI 7’s inclusion of mid-range devices, like the Galaxy A54 and M34, extends its reach. Popular in Brazil, these models gain flagship features, such as AI-powered photo editing and smart battery management. The 2023 Galaxy A54 delivers near-premium performance for browsing and social media, with a camera optimized for low-light clarity.
The M series, known for robust batteries, also benefits. The Galaxy M34 pairs One UI 7’s power-saving tools with its long-lasting battery, ideal for users needing extended uptime. These upgrades strengthen Samsung’s position in affordable price segments, appealing to cost-conscious consumers seeking quality.
Galaxy ecosystem synergy
One UI 7 enhances connectivity across Galaxy devices. Smartphones, tablets, smartwatches, and earbuds share data effortlessly, enabling smooth transitions. For example, a call started on a Galaxy S25 can shift to a Tab S9 without interruption, streamlining workflows.
Native apps like Samsung Notes sync in real time, benefiting users with multiple devices. Wearable integration, such as with the Galaxy Watch, now supports detailed notifications and quick replies from the wrist. This cohesive ecosystem boosts the perceived value of Galaxy products, fostering brand loyalty in a competitive market.
Key One UI 7 features
The update brings transformative tools to Galaxy users:
- Sleek design: Modern icons and smooth animations simplify navigation.
- Smart AI: Predictive assistants automate daily tasks.
- Power efficiency: Up to 15% battery life gains with intelligent tweaks.
- Advanced camera: Real-time edits and noise reduction for photos and videos.
- Robust security: Updated Samsung Knox with real-time monitoring.
These features position Galaxy devices as future-ready, meeting the demands of an evolving market.
Global strategy unveiled
Samsung leads the Android ecosystem with up to four years of system updates and five years of security patches for premium models. This longevity competes with brands renowned for durability, enhancing Galaxy devices’ long-term value. In Brazil, millions are expected to benefit by 2025, particularly with the A and M series dominating local sales.
Integration with third-party services, like Google Gemini, adds versatility. Users can perform complex tasks, such as summarizing documents or editing videos, directly on-device, preserving the Galaxy interface’s identity. This collaboration keeps Samsung at the forefront of innovation.
Challenges ahead
Large-scale rollouts face hurdles. Mid-range model updates may lag due to hardware fragmentation, especially in regions with carrier-customized software. Samsung is investing in robust servers to speed up delivery, but complexities persist, testing user patience.
Older models, like the 2021 Galaxy S21, receive limited support, with security patches until 2026 but no full One UI 7 features. Still, maintaining updates for legacy devices reflects a commitment to its installed base, balancing innovation with accessibility.
Future-proofing Galaxy
One UI 7 is more than an incremental update—it prepares Galaxy devices for emerging trends like augmented reality and cloud computing. The interface supports dynamic refresh rates up to 120 Hz, optimizing power on compatible displays. This adaptability ensures relevance in a fast-changing market.
Samsung is already eyeing One UI 8 for 2026, with plans for enhanced local processing to reduce reliance on online connectivity. This forward-thinking approach underscores a dedication to continuous innovation, keeping Galaxy devices competitive for discerning users.
One UI 7 represents a bold step in the Galaxy ecosystem’s evolution. With features blending practicality, security, and performance, it caters to tech enthusiasts and casual users alike, cementing Samsung’s standing in a dynamic global market.