Samsung Galaxy Z Fold8 Ultra F976NKSS3AZIJ is an Android 17 firmware for South Korea (KOO, KTC, LUC, SKC). It is the same firmware configured per region and carrier (CSC). Find your country below, verify the file and download for free. Compared with the previous build F976NKSU3AZI5 https://samfirm.shop/build/F976NKSU3AZI5, Android and the bootloader binary are unchanged, so you can switch between the two in both directions. A newer build for SM-F976N is available: F976NKSU3AZJ8 https://samfirm.shop/build/F976NKSU3AZJ8.
Bootloader binary 3. Flashing firmware with a lower binary is usually blocked by Samsung anti-rollback.
Pick your region (CSC) to download the matching firmware package.
Samsung released this build in all regions (4) on the same day, October 1, 2026.
Specifications of SM-F976B, a regional variant of the same device. Chipset and SIM lines are left out: they can differ by region.