Samsung Rolls Out New Security Update for Galaxy Z Fold 8 and Fold 8 Ultra in September 2026
Samsung has released a new security patch for its foldable smartphones Galaxy Z Fold 8 and Galaxy Z Fold 8 Ultra, addressing 90 vulnerabilities and improving system stability.
Update specifics
The patch is roughly 1,084 MB for the Fold 8 model, identified by build number F971NKSU3AZI5. It rolled out first to users in South Korea, and a similar package for the Ultra version is expected soon, with a build ending in AZI5.
Release context
The update should reach other global markets within the next few days, and users can check its availability via Settings > Software Update > Check for updates. This move comes amid strong demand for the new foldable line, while Samsung watches the impact of Apple’s upcoming iPhone Duo foldable on its sales outlook.
Customers who have not yet received the patch are advised to monitor official notifications to keep their devices secure and benefit from the latest improvements.
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