Samsung Galaxy S24 FE Receives Critical Security Patch Ahead of Major OS Update

Samsung is rolling out an important security update for the Galaxy S24 FE in the United States, just days before the highly anticipated One UI 7.0 release. This patch addresses numerous vulnerabilities and prepares the device for the upcoming Android 15-based operating system upgrade.

Key Details of the March 2025 Security Update

The latest software update for carrier-locked Galaxy S24 FE models in the US carries the firmware version S721USQS3AYB1. Its primary focus is bolstering device security by resolving 58 identified vulnerabilities present in previous software versions.

Key points:

  • Fixes 58 security flaws
  • Currently available on AT&T and Cricket networks
  • Expected to reach other carriers soon
  • Does not introduce new features

How to Install the Update

Galaxy S24 FE owners can easily check for and install this critical security patch:

Step 1: Open the Settings app on your device.

Step 2: Scroll down and tap on “Software update”.

Step 3: Tap “Download and install”.

Step 4: If the update is available, follow the on-screen prompts to download and install it.

Step 5: Your device will restart to complete the installation process.

For users comfortable with manual firmware installation, the update file can be downloaded from reputable firmware databases and flashed using the Odin tool on a Windows PC. However, this method requires technical expertise and carries some risk.

The Bigger Picture: One UI 7.0 on the Horizon

This security update arrives at a crucial time, as Samsung prepares for the imminent release of One UI 7.0, based on Android 15. The stable version of this major OS upgrade is scheduled to begin rolling out to Galaxy devices in early April 2025.

One UI 7.0 rollout timeline:

  • April 7, 2025: Galaxy S24 series
  • April 10, 2025: Galaxy S24 FE, S23 series, Z Fold5, Z Flip5
  • Late April: Expansion to more Galaxy models

Why This Update Matters

While the March 2025 security patch doesn’t introduce flashy new features, it plays a vital role in maintaining the Galaxy S24 FE’s security posture. By addressing known vulnerabilities, Samsung protects users from potential exploits and ensures a smoother transition to the upcoming One UI 7.0 update.

Regular security updates are crucial for:

  • Protecting personal data
  • Preventing unauthorized access
  • Maintaining overall system stability
  • Ensuring compatibility with future software releases

Looking Ahead: What to Expect from One UI 7.0

The upcoming One UI 7.0 update promises to bring significant changes to Galaxy devices, including the S24 FE. While full details are still emerging, users can anticipate:

  • A redesigned user interface
  • New AI-powered features
  • Improved performance and animations
  • Enhanced customization options

By installing the March 2025 security patch now, Galaxy S24 FE users ensure their devices are in optimal condition to receive and benefit from the major One UI 7.0 upgrade in the coming weeks.


The March 2025 security update for the Galaxy S24 FE demonstrates Samsung’s commitment to device security and lays the groundwork for an exciting software evolution. Users should install this patch promptly to maximize their device’s protection and prepare for the feature-rich One UI 7.0 experience on the horizon.