Samsung unveils One UI 7 with Android 15 to transform millions of Galaxy devices

Samsung took a bold step in March 2025 by announcing the official launch of One UI 7, its new interface built on Android 15, delivering a refreshed experience for Galaxy line users. Featuring an updated design, enhanced performance, and cutting-edge artificial intelligence tools, the update has begun rolling out globally, starting with models like the Galaxy S25 and set to reach dozens of other devices throughout the year. In Brazil, millions of users are eagerly awaiting innovations such as modern icons, improved battery and memory management, and a more seamless integration within the brand’s ecosystem, positioning Samsung as a direct competitor to giants like Apple and Google.

This move solidifies the South Korean company’s leadership in the smartphone and tablet market, meeting the rising demand for fast, customizable, and secure operating systems. One UI 7 not only elevates the experience on premium devices but also breathes new life into older models like the Galaxy S22, while extending its reach to mid-range options like the Galaxy A54 and tablets such as the Galaxy Tab S9. Samsung’s strategy is clear: bring top-tier technology to a wide range of consumers, strengthening its foothold in emerging markets like Brazil.

With a phased rollout planned throughout 2025, the update underscores Samsung’s commitment to keeping its devices relevant and competitive. The integration of artificial intelligence stands out, promising to make Galaxy devices more intuitive and tailored to users’ routines, while visual and technical enhancements raise the bar for usability across smartphones and tablets.

Revamped design enhances user experience

One UI 7 introduces a visual overhaul that blends sophistication and practicality for Galaxy users. Icons have been redesigned with cleaner, more consistent lines, and reorganized menus simplify navigation across smartphones and tablets. Smooth animations, noticeable when opening apps or scrolling through screens, make interactions more enjoyable, fulfilling a long-standing user desire for a refined yet functional interface, particularly on models like the Galaxy S24 and Z Fold 6.

Beyond aesthetics, the update prioritizes technical performance. RAM management has been optimized to reduce crashes and speed up task execution, even during heavy multitasking. On devices released years ago, such as the Galaxy S22, these improvements deliver a significant boost, while newer models fully harness Android 15’s capabilities. Customization options have also expanded, allowing users to tweak both the look and behavior of the system to suit their preferences.

These changes establish One UI 7 as one of Samsung’s most impactful updates in recent years. They not only enhance the hardware of Galaxy devices but also set the interface apart as a competitive advantage in a crowded market where user experience is a key differentiator.

Artificial intelligence reshapes daily use

The integration of artificial intelligence in One UI 7 redefines how users interact with their Galaxy devices. Virtual assistants now analyze usage patterns and suggest personalized actions, such as setting automatic reminders or adjusting settings based on daily context. This enhanced automation is ideal for those relying on their smartphones for demanding professional or personal tasks, turning the device into a more proactive companion.

Energy efficiency has also been revolutionized with algorithms that monitor battery usage in real time. Dynamic refresh rate displays balance visual performance and power savings, ensuring high-quality visuals for gaming or videos without draining the battery. On models like the Galaxy S25 and Z Flip 6, these adjustments result in longer usage times with fewer recharges, rivaling technologies seen in competitors like the iPhone.

Intelligent management of background apps further cuts resource consumption and frees up RAM. These optimizations highlight Samsung’s efforts to create more sustainable devices that meet the expectations of a public seeking innovation without sacrificing practicality or longevity.

Detailed 2025 rollout schedule

The One UI 7 rollout follows a structured timeline, prioritizing newer devices before expanding to mid-range models and tablets throughout 2025. Key milestones include:

• First quarter: Galaxy S25 (pre-installed), S24, Z Fold 6, and Z Flip 6 receive the update, leveraging their advanced hardware capabilities.
• Second quarter: Galaxy S23, S22, A54, A53, and M54 join the list, broadening the reach to millions of users worldwide.
• Third quarter: Galaxy Tab S9, S9+, S9 Ultra, and Tab S8 begin receiving the update, bringing the enhancements to Samsung’s tablet lineup.

This schedule allows Samsung to refine the software at each stage, ensuring stability and compatibility across different devices. In Brazil, availability may vary slightly by region, but users can check for updates directly in their device settings. The phased approach guarantees a smooth and efficient transition.

Compatible devices broaden the update’s reach

A wide range of Galaxy devices is confirmed to receive One UI 7, spanning flagships to entry-level models. The list covers the Galaxy S, Z, A, M, and Tab series, with highlights including the Galaxy S25 Ultra, Z Fold 5, A74, and Tab S9+. Even older devices like the Galaxy S22 are included, showcasing Samsung’s extended support policy that keeps these devices relevant and competitive.

Tablets play a significant role in this update as well. The Galaxy Tab S8 and S9 gain enhancements that optimize tasks like document editing and streaming, aligning the tablet experience more closely with smartphones. This integration strengthens the Galaxy ecosystem, appealing to users who value seamless connectivity across their devices.

Expanding to affordable lines like Galaxy A and M reinforces Samsung’s strategy of catering to diverse consumer profiles. In Brazil, this approach ensures millions of users can access an updated system, cementing the company as one of the most inclusive and far-reaching in the mobile sector.

Enhanced security safeguards Galaxy users

Protecting user data is a top priority in One UI 7, which comes equipped with an updated Samsung Knox and additional security layers. The system provides robust defenses against malware and cyberattacks, with granular controls over app permissions. Users can specify exactly what data each app accesses, addressing growing concerns about privacy in the digital landscape.

Real-time monitoring stands out as a key feature. By automatically detecting suspicious activity, the system issues alerts and blocks threats before they can cause harm, a critical tool for users handling financial transactions or storing sensitive information. This proactive approach raises the security standard for Galaxy devices.

Regular security updates will continue post-launch, particularly for older models. This policy bolsters the reliability of the Galaxy lineup, positioning Samsung as one of the brands most dedicated to digital protection in a landscape where security is as prized as performance.

Extended support benefits older devices

Samsung upholds its promise of prolonged support, bringing One UI 7 to devices released years ago. Models like the Galaxy S22 and A-series options, such as the A33, receive not only the new interface but also ongoing security updates, meeting the demand for longer-lasting products and reducing the need for frequent hardware upgrades.

A beta program was rolled out in markets like South Korea and the United States before the global launch, allowing users to test the interface and provide feedback. This process enabled Samsung to fine-tune the software, delivering a stable and polished version to the wider public. The initiative underscores the company’s dedication to providing a reliable system.

Including models like the Galaxy A33 and M34 in the rollout highlights Samsung’s commitment to democratizing access to its innovations, reaching consumers in emerging markets like Brazil and reinforcing its global presence with a unified, modern system.

Exclusive perks for the Galaxy ecosystem

One UI 7 brings a host of benefits that strengthen the Galaxy lineup against competitors. Key advantages include:

• Intuitive design with modern icons and fluid animations.
• Artificial intelligence that adapts the device to user routines.
• Optimized battery and RAM for greater efficiency.
• Advanced security with real-time monitoring.

These features make the devices more practical and appealing, especially in markets like Brazil, where connectivity and usability are top priorities. Samsung addresses global demands with a balance of aesthetics, functionality, and accessibility.

With One UI 7, the company redefines the standard for mobile support by blending innovation, security, and broad compatibility. This effort solidifies Samsung’s standing as one of the most versatile and consumer-focused brands, catering to users of both flagship and budget-friendly devices.