Samsung Galaxy Z TriFold F968NKSS4AZCS is an Android 16 firmware for South Korea (KOO). 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 F968NKSS3AZC1 https://samfirm.shop/build/F968NKSS3AZC1: bootloader binary raised from 3 to 4, so after installing it there is no way back to older builds. A newer build for SM-F968N is available: F968NKSU7CZIH https://samfirm.shop/build/F968NKSU7CZIH.
Bootloader binary 4. Flashing firmware with a lower binary is usually blocked by Samsung anti-rollback.
Pick your region (CSC) to download the matching firmware package.