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Samsung's September 2025 Software Update Roadmap: Key Changes and End of Support for Legacy Devices

9/4/2025, 10:46:38 AM

Overview of the September 2025 Update Rollout

Samsung has released its September 2025 software update roadmap, detailing the rollout of the One UI software for various Galaxy devices. This update includes critical security patches and marks the end of software support for several older models, including the Galaxy Note 20 series and the Galaxy Z Fold 3 and Flip 3.

Key Changes in Software Support

The September update introduces nearly 100 fixes for vulnerabilities in Android and One UI, addressing 71 Android and 25 One UI-specific issues. Notably, the update includes fixes for two critical vulnerabilities and 58 high-severity issues, enhancing the overall security of Galaxy devices. Samsung's commitment to timely updates is evident, as the company continues to provide security patches for its devices, including those in the One UI 8 beta program.

Devices Receiving Monthly Security Updates

The following devices will continue to receive monthly security updates:

  • Galaxy Z Series: Z Fold4, Z Flip4, Z Fold5, Z Flip5, Z Fold6, Z Flip6, Z Fold7, Z Flip7, and others.
  • Galaxy S Series: S21 FE, S22, S23, S24, S25, and their respective variants.
  • Galaxy A Series: A56 5G and select enterprise models.

Devices Transitioning to Quarterly Updates

Several models, including the Galaxy Z Fold3 and Flip3, have transitioned to quarterly updates, meaning they will receive updates every four months instead of monthly. This change reflects their reaching the end of their support lifecycle.

End of Support for Legacy Devices

Samsung has officially ended software support for the Galaxy Note 20 series, which includes the Galaxy Note 20 and Note 20 Ultra. These devices, launched in August 2020, have completed their five-year support window, receiving three major Android updates and regular security patches until now. Users are encouraged to upgrade to newer models, such as the Galaxy S24 Ultra or Galaxy Z Fold 7, which offer extended support and advanced features.

One UI 8 Beta Program Expansion

Samsung has also expanded its One UI 8 beta program to include the Galaxy Z Flip 5 and Z Fold 5, allowing users in South Korea to test the new Android 16-based software. This beta rollout introduces new AI features and optimizations tailored for foldable devices. The update includes the September 2025 security patch and is expected to expand to other regions shortly.

Criticism & Opposition

Despite the positive reception of the security updates, some users have expressed disappointment regarding the discontinuation of support for older models. The end of updates for the Galaxy Note series, in particular, has been met with mixed feelings, as loyal users now face the challenge of transitioning to newer devices without the iconic S Pen functionality.

Conclusion

Samsung's September 2025 software update roadmap reflects the company's ongoing commitment to security and user experience. While it marks the end of an era for certain legacy devices, the introduction of the One UI 8 beta program for newer models showcases Samsung's focus on innovation and user engagement. As the company continues to roll out updates, users are encouraged to stay informed about their device's eligibility for future software enhancements.