Samsung resumes One UI 7: Galaxy Z Flip 6 and Z Fold 6 get Android 15 with new features in April
Samsung has announced the resumption of the One UI 7 rollout, based on Android 15, for its foldable devices, the Galaxy Z Flip 6 and Galaxy Z Fold 6, following a brief suspension due to system issues. The update, which is being distributed again in South Korea, introduces a refreshed interface, advanced artificial intelligence features, and significant improvements to the user experience. In Brazil, eligible devices, including the Galaxy S24 series, are expected to receive the update by the end of April. The pause, which began on April 14, was triggered by technical problems affecting the performance of some devices, particularly those powered by Exynos processors. With the issues resolved, the South Korean manufacturer is moving forward with the global expansion of the software, promising a smoother and more personalized experience for users of its premium devices.
The temporary suspension of One UI 7 sparked significant discussion among users, as the update is one of the most anticipated releases of the year for Galaxy devices. The issue, first identified in Galaxy S24 models in South Korea, was related to difficulties in unlocking devices, prompting Samsung to halt the rollout to prevent broader impacts. After three days of fixes, the company released a new build, identified by the code BYD9, which addressed the problems and allowed the process to resume. The decision to pause the launch was confirmed by the manufacturer, emphasizing the need for maintenance to ensure system stability.
The Galaxy Z Flip 6 and Z Fold 6 are among the first devices to receive the update, following the Galaxy S24 series, which began receiving it again on April 17. Built on Android 15, One UI 7 introduces striking visual changes and functionalities that reinforce Samsung’s commitment to delivering an intuitive and powerful interface. Key highlights include redesigned icons, smoother animations, and deeper integration with AI tools designed to streamline daily tasks.
What’s new in One UI 7
One UI 7 marks a significant milestone in the evolution of Samsung’s software, delivering a range of enhancements that go beyond mere aesthetic tweaks. The interface has been overhauled to offer a cleaner, more customizable experience, with a focus on the new icon design featuring vibrant colors and subtle gradients. The notification shade and quick settings panel have been separated, providing more intuitive access to controls and alerts.
The update also introduces AI-powered features that boost productivity and creativity. Tools like Writing Assist, which corrects grammar and suggests formatting, and Call Transcripts, which transcribes calls in up to 20 languages, are among the most celebrated additions. The Now Bar, a functional addition to the lock screen, displays real-time information such as workout progress or music controls without requiring the device to be unlocked.
Key features include:
- Now Bar: A dynamic lock screen widget for real-time updates, such as music playback, timers, or call status.
- Redesigned icons: A modern, colorful look for native apps like Camera, Gallery, and Settings.
- Enhanced animations: Smoother transitions when opening or closing apps, powered by a new blur engine.
- Google Gemini integration: A voice-activated assistant accessible via a long press on the side button.
- Simplified camera controls: A more intuitive Pro mode interface with easier zoom and manual adjustments.
Update timeline
Samsung plans to roll out One UI 7 in phases, prioritizing flagship devices launched in 2024. In South Korea, the update is already available for the Galaxy Z Flip 6, Z Fold 6, and Galaxy S24 series. In the United States and Canada, the rollout began on April 10, while markets like Europe, Asia, and Latin America, including Brazil, are expected to receive it by the end of the month.
The planned timeline includes:
- April: Galaxy S24, S24+, S24 Ultra, Z Flip 6, Z Fold 6, Z Fold 5, Z Flip 5, Tab S10+, and Tab S10 Ultra.
- May: Galaxy S23, S23+, S23 Ultra, S22, S22+, S22 Ultra, S21, S21+, S21 Ultra, Tab S9, Tab S9+, and Tab S9 Ultra.
- June: Galaxy A55, A35, A34, A33, A25, A24, A15, Tab S9 FE, Tab S9 FE+, and other mid-range models.
The company noted that the timeline may shift if new issues arise, underscoring its commitment to software stability. Users will be notified automatically when the update is available, but they can also check manually via Settings > Software Update > Download and Install.
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Impact of the pause and applied fixes
The brief interruption in the One UI 7 rollout raised concerns among users about software reliability. The issue, primarily affecting Galaxy S24 models with Exynos processors in South Korea, caused lock screen freezes, requiring forced reboots in some cases. Samsung acted swiftly, halting the global rollout on April 14 and releasing a fix two days later.
The new BYD9 build, now applied to the Galaxy Z Flip 6 and Z Fold 6, includes stability improvements and the April 2025 security patch. The 380 MB package also optimizes overall system performance, addressing minor bugs and enhancing the user experience. Samsung’s quick response was well-received, though the pause sparked debates on social media, with users questioning the thoroughness of testing during the beta phase, which began in December 2024.
The One UI 7 experience highlights the importance of phased rollouts, allowing the manufacturer to identify and resolve issues before a full-scale deployment. Samsung emphasized that the suspension was a precautionary measure to protect the user experience, particularly on premium devices like foldables, which demand high performance for multitasking and extended use.
AI features in focus
Artificial intelligence is a cornerstone of One UI 7, with Samsung leveraging tools to simplify tasks and make devices smarter. The Writing Assist feature, for instance, enables users to adjust text tone, summarize lengthy content, or format notes automatically. Available directly through the keyboard, it streamlines use in apps like Samsung Notes, emails, or social media.
Another standout is Call Transcripts, which automatically transcribes calls in up to 20 languages, including English, Spanish, Portuguese, and Korean. This feature is particularly valuable for professionals who need to record conversation details without manual note-taking. Additionally, Audio Eraser removes unwanted background noise from videos, isolating sounds like voices or music to improve recording quality in busy environments.
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Integration with Google Gemini further enhances the experience, enabling more natural voice commands. Users can ask the assistant to find nearby restaurants or adjust device settings, such as brightness or power-saving mode, with simple phrases. These tools align with Samsung’s vision of a connected ecosystem, where Galaxy devices work seamlessly to deliver greater convenience.
Eligible devices and expectations in Brazil
One UI 7 will be available for a wide range of Galaxy devices, including models launched since 2021 that fall under Samsung’s four-year OS update policy. In addition to the Galaxy Z Flip 6 and Z Fold 6, the update will reach other flagships like the Galaxy S23, S22, and S21 series, as well as premium tablets like the Galaxy Tab S9 and Tab S10 series.
Mid-range models, such as the Galaxy A55, A35, and A34, are also included, ensuring a broad user base can access the new features. The full list of eligible devices includes:
- Galaxy S series: S24, S24+, S24 Ultra, S24 FE, S23, S23+, S23 Ultra, S23 FE, S22, S22+, S22 Ultra, S21, S21+, S21 Ultra, S21 FE.
- Galaxy Z series: Z Fold 6, Z Flip 6, Z Fold 5, Z Flip 5, Z Fold 4, Z Flip 4, Z Fold 3, Z Flip 3.
- Galaxy A series: A73, A55, A54, A35, A34, A33, A25, A24, A23, A15, A14, A06, A05s.
- Galaxy Tab series: Tab S10+, Tab S10 Ultra, Tab S9, Tab S9+, Tab S9 Ultra, Tab S9 FE, Tab S9 FE+, Tab S8, Tab S8+, Tab S8 Ultra, Tab S6 Lite (2024).
In Brazil, the update has not yet been released for the mentioned models, but it is expected to begin in the coming weeks, aligning with the global timeline. Samsung typically synchronizes launches in Brazil with other Latin American markets, suggesting that users of devices like the Galaxy S24 and foldables will gain access to One UI 7 by late April.
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Enhanced security and performance
One UI 7 also delivers significant advancements in security, with improved integration of Knox, Samsung’s protection platform. New features include blocking USB connections when the device is locked and requiring biometric authentication for security setting changes in unfamiliar locations. These measures strengthen protection against unauthorized access, particularly for devices used in sensitive tasks like banking.
Performance was another focus, with Samsung optimizing the system to reduce power consumption and enhance multitasking, especially on foldables. The Galaxy Z Fold 6 benefits from smoother animations and an interface tailored for large screens, simplifying navigation in multi-window mode. The Z Flip 6, meanwhile, gained more accessible controls on the cover screen, enabling quick interactions without opening the device.
The update also includes fixes for minor bugs identified during the beta phase and applies the April 2025 security patch, safeguarding against recent vulnerabilities. The combination of performance, security, and usability improvements makes One UI 7 one of Samsung’s most comprehensive updates, solidifying its position as a leading Android interface.
Impact on foldables and user experience
Foldable devices like the Galaxy Z Flip 6 and Z Fold 6 are particularly enhanced by One UI 7, which is designed to maximize their unique form factors. The Z Fold 6, with its 7.6-inch inner display, benefits from smoother app transitions and an optimized taskbar, making frequent functions more accessible. The Now Bar is especially useful in tablet mode, displaying contextual information without disrupting workflows.
On the Z Flip 6, the update improves the cover screen experience, allowing users to control music, reply to messages, or check notifications without opening the device. The camera, a key feature of the model, also benefits, with more intuitive Pro mode controls and a new zoom slider for precise adjustments during video recording.
Customization is another highlight, with One UI 7 offering options to adjust icon sizes, rearrange widgets, and switch between vertical or horizontal app drawers. These changes make the interface more adaptable to individual preferences, particularly on devices that shift between screen formats, like foldables.
Preparing for the update
To ensure a smooth transition, Samsung recommends that users prepare their devices before installing One UI 7. A full backup of data, such as photos, videos, and documents, is essential, using services like Samsung Cloud or third-party apps. The update, which ranges from 3 GB to 5 GB, requires a stable Wi-Fi connection and at least 50% battery to avoid interruptions.
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Users should also ensure all apps are updated, as older versions may cause compatibility issues with Android 15. Samsung provides detailed instructions via the Samsung Members app, where users can also track notifications about the rollout’s progress. In Brazil, the first devices are expected to receive the update automatically, with manual installation available for those who wish to expedite the process.
The resumption of One UI 7 marks a pivotal moment for Samsung, which aims to reinforce its leadership in the premium device market. With a clear focus on innovation, security, and customization, the update promises to transform the experience for users of the Galaxy Z Flip 6, Z Fold 6, and other eligible models, delivering a smarter, more tailored system for modern needs.
