Samsung Galaxy Watch6 Classic R965NKOU1AXD1 is an Android 13 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 R965NKOU1AXC2, Android and the bootloader binary are unchanged, so you can switch between the two in both directions. A newer build for SM-R965N is available: R965NKOS2CZF5.
Bootloader binary 1. Flashing firmware with a lower binary is usually blocked by Samsung anti-rollback.
Pick your region (CSC) to download the matching firmware package.