Samsung has finally released the One UI 7 update for the Galaxy S21 FE. This is a big update because it brings Android 15 along with new features and improvements. If you own this phone you can now enjoy a smoother and smarter experience.
It is a global rollout across Asia, Europe, and Latin America. Samsung Galaxy S21 FE users get firmware G990B2XXUBHYDB on Snapdragon models and G990EXXUDGYD4 on Exynos models. It is a 3.5 GB download file.
The update brings the April 2025 security patch. This patch fixes known system vulnerabilities.
One UI 7 Rollout Details for Galaxy S21 FE
Table of Contents
Availability & Regions
The One UI 7 update for the Galaxy S21 FE has begun rolling out globally, including regions such as:
- Europe (UK, Germany, Poland, Belgium)
- Asia (India, Vietnam, Indonesia, Philippines)
- United States (Verizon, T-Mobile).
The update is available for both Snapdragon and Exynos variants, with the following firmware versions:
- Snapdragon model (SM-G990B2) → G990B2XXUBHYDB
- Exynos model (SM-G990E) → G990EXXUDGYD4.
Staggered Rollout
As with most Samsung updates, the release is gradual, meaning some users may receive it earlier than others. If you haven’t gotten the notification yet, you can manually check by going to: Settings > Software Update > Download and Install
Also Read: Will Your Samsung Phone Get Android 16 & One UI 8?
Key Features of One UI 7 on Galaxy S21 FE
Redesigned Interface & Smoother Animations
- Vertical app drawer: Replaces horizontal scrolling for easier navigation.
- New icons & widgets: Streamlined designs with dynamic coloring.
- Separate notification/Quick Settings panels: Swipe left/right to toggle between them.
AI-Powered Tools
- Writing Assist: Summarizes or reformats text in messages, emails, and notes.
- Gemini integration: Long-press the side button for voice commands (e.g., “Find pet-friendly restaurants”).
- Now Bar: Displays live updates (weather, music, timers) on the lock screen.
Performance & Security
- Includes the April 2025 security patch.
- Optimized battery management and storage tools (e.g., app archiving).
How to Install One UI 7 on Galaxy S21 FE
- Ensure Backup: Before updating, back up important data via Samsung Cloud or an external storage device.
- Connect to Wi-Fi: The update is ~3.5GB, so a stable connection is recommended.
- Manual Check:
- Go to Settings > Software Update > Download and Install.
- If available, tap Restart & Install
Future Updates for Galaxy S21 FE
While the Galaxy S21, S21+, and S21 Ultra will not receive further major OS updates after One UI 7, the S21 FE is eligible for One UI 8 (Android 16) due to its later release date.
