Samsung Galaxy Watch 46mm R805NKOU1CSL1 is an Android firmware for LUO, SKO, South Korea (KTC, KTO, 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 R805NKOU1CSK3, Android and the bootloader binary are unchanged, so you can switch between the two in both directions. A newer build for SM-R805N is available: R805NKOU1DVG1.
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.
Specifications of SM-R805F, a regional variant of the same device. Chipset and SIM lines are left out: they can differ by region.