Samsung Bolsters Galaxy Security with October 2025 Patch for Fold 6 and Flip 6
The October 2025 security update is now rolling out to Samsung Galaxy Z Fold 6 and Galaxy Z Flip 6 owners in Europe,addressing 34 security vulnerabilities. While the rollout experienced a slight delay, Samsung prioritized patching critical security flaws across it’s device ecosystem.
the update,released on Oct. 31, 2025, comes after Samsung focused on deploying One UI 8 to older Galaxy devices, a process that required a temporary pause. According to a company release, the October 2025 patch includes 14 fixes sourced from the Android Security Bulletin, all categorized as “high” severity. Samsung is also contributing 20 unique patches tailored for Galaxy devices, rated as either “high” or “moderate” in severity.
The build numbers for the update are F741BXXS2CYJ1 for the Galaxy Z Flip 6 and F956BXXS2CYJ1 for the Galaxy Z Fold 6, as reported by SamMobile. Users who recently received the One UI 8 update can expect a relatively small download size.
This security push extends beyond the latest foldables. Samsung has already delivered the October 2025 security update to its newer foldable lineup – the Galaxy Z Flip 7 and Galaxy Z Fold 7 – as well as the Galaxy S25, Galaxy S24, Galaxy S23, and Galaxy S22 series.
How to Check for the October 2025 Security Update
Galaxy Z Flip 6 and Galaxy Z Fold 6 users can manually check for the update by navigating to the Settings app, selecting the “Software update” tab, and then pressing “Download and install.” Selecting “Install now” will initiate the update process when available.It is crucial to install updates promptly to safeguard your device against emerging security threats.
Looking ahead,the Galaxy Z Flip 6 and galaxy Z Fold 6 are slated to receive the One UI 8.5 update, which is anticipated to introduce notable software enhancements and a refreshed user experience.
Why: Samsung released the October 2025 security update to address 34 security vulnerabilities impacting its Galaxy devices. The update was prioritized due to the critical nature of the flaws. A temporary pause in One UI 8 deployment allowed Samsung to focus on these security patches.
Who: The update impacts owners of Samsung Galaxy Z Fold 6, Galaxy Z Flip 6, Galaxy Z Flip 7, Galaxy Z Fold 7, Galaxy S25, Galaxy S24, Galaxy S23, and Galaxy S22 series devices, particularly those in Europe initially.
What: The update includes 14 high-severity fixes from the Android Security Bulletin and 20 unique Samsung-specific patches, rated high or moderate in severity. Build numbers are F741BXXS2CYJ1 (Z Flip 6) and F956BXXS2CYJ1 (Z Fold 6).
How did it end?: The rollout began on October 31, 2025, and is being delivered via over-the-air (OTA) updates. Users can manually check for the update in their device settings. Samsung plans to follow this with the One UI
