Samsung has officially launched the One UI 7 update to several older premium Galaxy devices, including the Galaxy S21 series, Galaxy S22 series, Galaxy Z Fold/Flip 3 and 4, and Galaxy Tab S8 series. The update is now available in Europe, India, and Vietnam (for S21 FE), bringing major software enhancements and the April 2025 security patch.

This rollout significantly boosts the longevity of these flagship devices, offering an improved user experience and system performance through Samsung’s latest software.
Key Highlights of One UI 7
Samsung’s One UI 7 is designed to deliver a more polished and feature-rich experience for Galaxy users. While this version does not include the full Galaxy AI features available on newer models, it offers several valuable improvements:
- Updated system interface and design enhancements
- Advanced camera controls for better shooting and editing
- Refined customization options across the UI
- Improved performance and device stability
- Integrated April 2025 security updates
Firmware Update Details
- Update Size: Ranges between 3.5 GB to 4.5 GB, depending on the device
- Rollout Schedule: May 2025
- Regions Covered: Europe, India, and Vietnam (S21 FE only)
Users are advised to connect their Galaxy devices to a stable Wi-Fi network and ensure the battery is charged to at least 50 percent before installation.
Supported Devices and Firmware Versions
Below is the full list of Galaxy devices now receiving the One UI 7 update, along with their respective firmware versions:
Galaxy S21 Series
Firmware Version: HYD5
- Galaxy S21
- Galaxy S21+
- Galaxy S21 Ultra
Galaxy S21 FE
Firmware Version: GYD4
- Galaxy S21 FE (Vietnam only)
Galaxy S22 Series
Firmware Versions: FYD9 / FYDA
- Galaxy S22
- Galaxy S22+
- Galaxy S22 Ultra
Galaxy Z Fold and Flip
Firmware Versions:
- Z Flip 4 / Z Fold 4: HYD9
- Z Flip 3 / Z Fold 3: JYD9
Galaxy Tab S8 Series
Firmware Version: DYDC
- Galaxy Tab S8
- Galaxy Tab S8+
- Galaxy Tab S8 Ultra
How to Install One UI 7 on Your Galaxy Device
To manually check for the One UI 7 update on your device:
- Open the Settings app
- Scroll down and tap on Software Update
- Tap Download and Install
- Wait for the update to download, then press Restart to apply it
Ensure that your device remains connected to Wi-Fi and has adequate battery power throughout the process.
Final Thoughts
The One UI 7 rollout marks a significant step for Samsung’s software support on older flagship devices. By bringing the latest UI features and security updates to the Galaxy S21, S22, Z Fold/Flip, and Tab S8 series, Samsung continues to deliver value and longevity for its premium hardware.
While Galaxy AI tools are not included in this update, users can still enjoy improved visuals, enhanced controls, and more responsive performance.
Stay tuned to Samsung’s official One UI page for future announcements and feature breakdowns.