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 s get firmware G990B2XXUBHYDB on Snapdragon models and G990EXXUDGYD4 on Exynos models. It is a 3.5 GB 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, , 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 s may receive it earlier than others. If you haven’t gotten the notification yet, you can manually check by going to: Settings > Software Update > 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 s: 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 > 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.
