Update Transforms Millions of Galaxy Devices in 2025

Samsung took a bold step in March 2025 by announcing the launch of One UI 7, its latest interface based on Android 15, promising to revolutionize the experience for millions of Galaxy users worldwide. Featuring a revamped design, enhanced performance, and integrated artificial intelligence, the update began rolling out globally, initially reaching the newest models like the Galaxy S25 before expanding to dozens of other devices throughout the year. In Brazil, anticipation runs high among consumers eager for improvements such as modernized icons, better energy efficiency, and a more personalized system, solidifying the South Korean company’s leadership in the competitive smartphone and tablet market.

The company’s focus with this update is evident: delivering a fast, secure, and adaptable operating system to meet today’s demands. One UI 7 not only elevates the experience on premium devices but also breathes new life into mid-range and older models like the Galaxy A54 and S22.

Tablets from the Galaxy Tab lineup, such as the S9, are also included, extending the reach of these innovations beyond smartphones and strengthening a more cohesive ecosystem.

Samsung’s strategy reflects a direct response to global market demands, particularly in emerging regions like Brazil, where connectivity and usability are top priorities. With this update, One UI 7 positions itself as a strong contender against systems like Apple’s iOS and Google’s stock Android, betting on a balance of aesthetics, functionality, and accessibility.

Modern Design and Enhanced Performance Impress Users

The visual overhaul of One UI 7 stands out with redesigned icons and reorganized menus that make navigation smoother. Fluid animations when opening apps or switching screens enhance the experience on models like the Galaxy S24 and Z Fold 6.

Beyond aesthetics, technical performance has been optimized, with improved RAM management that reduces crashes and speeds up multitasking, benefiting even devices released years ago.

Key Features of One UI 7

• Clean, consistent icon designs.
• Smooth animations for seamless transitions.
• Expanded customization for screens and widgets.
• Optimized RAM and battery management.
• Enhanced multitasking support on large screens like tablets.

Practical Benefits for Daily Use

• Faster performance on older devices like the Galaxy S22.
• Energy savings on models like the Galaxy S25.
• Intuitive interface for smartphones and tablets.
• Visual tweaks that improve usability.
• Seamless integration with Galaxy accessories.

Artificial Intelligence Boosts Device Functionality

Integrating artificial intelligence into One UI 7 turns smartphones and tablets into more proactive tools. Virtual assistants analyze usage patterns and offer tailored suggestions, such as automatic reminders or settings adjustments based on the user’s routine. On devices like the Galaxy S25 and Z Flip 6, smart algorithms monitor battery consumption, adjusting screen refresh rates to balance performance and longevity—perfect for gaming or video streaming.

Background app management has also been refined, freeing up RAM and reducing resource usage. These optimizations make devices more efficient and sustainable, catering to users who value practicality without sacrificing durability.

Fun Facts About One UI 7 Development

Before the global launch, Samsung conducted beta testing in countries like South Korea and the United States, gathering user feedback to fine-tune the system. This ensured a stable, functional version for the worldwide rollout.

The interface was designed to support foldable screens, like those on the Z Fold and Z Flip models, with adaptive layouts that smartly utilize the extra space.

The name “One UI” reflects Samsung’s vision of unifying the experience across smartphones, tablets, and wearables, a concept that began taking shape in 2018 with the first version.

2025 Rollout Timeline for the Update

The One UI 7 rollout follows a phased plan throughout 2025. In the first quarter, models like the Galaxy S25 (pre-installed), S24, Z Fold 6, and Z Flip 6 receive the update, leveraging their advanced hardware.

Starting in the second quarter, the list expands to the Galaxy S23, S22, A54, A53, and M54, reaching millions of users in markets like Brazil, while the third quarter brings the update to tablets like the Galaxy Tab S9, S9+, and S8.

Key Data on One UI 7’s Reach

The update covers over 50 Galaxy models, spanning the S, Z, A, M, and Tab series, from the premium S25 Ultra to budget-friendly options like the A33. Millions of devices in Brazil are expected to be impacted by the end of 2025.

Samsung extends support to devices up to four years old, like the Galaxy S22, with regular security and interface updates.

The tablet market also benefits, with optimizations for the Galaxy Tab S9 enhancing tasks like document editing and streaming.

Strengthened Security with Updated Samsung Knox

Protecting users is a core focus of One UI 7, which introduces an upgraded Samsung Knox with added layers of defense against malware and cyberattacks. Detailed permission controls let users decide what data each app can access.

Real-time monitoring detects suspicious activity and issues alerts, crucial for financial transactions or sensitive data storage, boosting confidence in models like the Galaxy S25 and A74.

Support for Older Models Stands Out

Samsung surprises by bringing One UI 7 to older devices like the Galaxy S22 and A33, with performance and security upgrades that extend their lifespan. This approach reduces the need for frequent hardware upgrades.

Expansion to Diverse Audiences and Regions

Including mid-range models like the Galaxy A54 and M34 democratizes access to these innovations, especially in emerging markets like Brazil, where these lines are popular.

Tablets in the Tab S8 and S9 series receive tweaks that optimize multitasking and streaming, aligning their experience with Galaxy smartphones.

The phased rollout strategy allows for ongoing adjustments, ensuring stability at each stage and catering to varied user profiles worldwide.

Numbers Highlighting the Update’s Impact

Over 100 million Galaxy devices are projected to receive One UI 7 by the end of 2025, with Brazil among the key markets due to its large user base.

Samsung has extended update support to five years for premium models like the S25 and three years for mid-range lines like the A54.

AI usage in One UI 7 cuts battery consumption by up to 15% during heavy use, according to internal tests.

Historical Evolution of One UI

One UI debuted in 2018 as a replacement for Samsung Experience, emphasizing one-handed usability and a clean design. Since then, it has evolved to integrate AI and support foldable screens.

Version 7 marks the biggest visual and technical update since its launch, leveraging Android 15 to deliver groundbreaking features and deeper ecosystem integration.

Technical Details of One UI 7

The interface supports refresh rates up to 120 Hz on compatible models, dynamically adjusted to save power. It also reduces latency in gaming and improves connectivity with wearables like the Galaxy Watch.