Samsung has started rolling out the January 2026 Security Patch for Galaxy Z Fold 5 and Galaxy Z Flip 5 users in South Korea, bringing the latest security improvements with a new software update. According to the update screen, the devices are receiving One UI 8.0 based on Android 16, which confirms that Samsung is continuing to push the newest Android platform to its flagship foldables. The update carries firmware versions F731NKSS5FZA1, with a download size of around 385.52MB.
This update mainly focuses on security enhancements, as it includes the January 1, 2026, security patch level. Samsung states that new stability and protection-related codes have been applied, improving overall system security and protecting devices from the latest vulnerabilities and threats. While there are no major new features mentioned, such security updates are crucial for maintaining device performance and user privacy.
Samsung also notes that the update content may vary depending on the model, country, and carrier. Users are advised to keep their devices updated regularly to ensure optimal performance and the best possible security.
Currently, the update is available in South Korea, but Samsung is expected to expand the rollout to other regions in the coming days. Users can check for the update by going to Settings > Software update > Download and install on their Galaxy Z Fold 5 or Z Flip 5.