Samsung rolls out a new 300MB update for the Galaxy S24 lineup, delivering over 30 critical security fixes ahead of One UI 8.5.
Galaxy S24 Series Gets New Security Update
Samsung is pushing out a new software update for its Galaxy S24 lineup, beginning with users in South Korea and expanding globally in the coming days. This update, carrying firmware version ending in CYK2, is focused solely on security improvements.
- File size: ~300MB
- No new features or UI changes—just essential security patches
What’s Included in the Update?
This release brings the November 2025 security patch, which contains:
- Fixes for around three dozen vulnerabilities
- Patches for issues affecting both the Android OS and Samsung’s One UI software
- Security enhancements targeting Exynos chips, including the Exynos 2400 found in the Galaxy S24 and S24+ in several markets
These fixes address potential system exploits, data leaks, and device integrity issues, keeping your Galaxy S24 device secure.
Compatible Devices
The update is rolling out to the entire Galaxy S24 family:
- Galaxy S24
- Galaxy S24+
- Galaxy S24 Ultra
- Galaxy S24 FE (where available)
To install the update, head to:
Settings > Software update > Download and install
Built on One UI 8 and Android 16
This security patch builds on top of the recently released One UI 8, based on Android 16, which was the second major OS upgrade for the Galaxy S24 series.
- Samsung has already begun work on One UI 8.5, expected to launch in the first half of 2026.
- This shows Samsung’s continued commitment to regular updates for its latest flagships.
A Steady Pace for Flagship Software Support
Samsung’s prompt release of the November patch—paired with One UI 8—shows its software team is maintaining a strong update cadence, even as work progresses on the next iteration.
- While this latest update may not bring flashy features, it ensures the Galaxy S24 series remains protected against the latest threats.
- These regular patches are essential for maintaining the security and longevity of premium devices.
Samsung is rolling out a 300MB November 2025 security update for the Galaxy S24 lineup, patching over 30 Android and One UI vulnerabilities—including some related to Exynos 2400. The update is based on One UI 8 and will reach more markets soon.
