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Galaxy Watch4
R865NKOS2EZG3
KTCAndroid 16Released 7/27/2026Firmware details
Key identifiers and package metadata for this release.
R865NKOS2EZG3R865NOKA2EZG3 KOREAKOREACSC code KTC3 carriers in 1 country
CSC stands for Consumer Software Customization (sometimes "Country Sales Code"). Samsung firmware ships with carrier- and region-specific configs; the networks listed below are what this CSC was built to support out of the box.
LG U+45006NWIDNW00680LG U+45006NWIDNW00681olleh45008NWIDNW00649olleh45008NWIDNW00650SKTelecom45005NWIDNW01125SKTelecom45005NWIDNW01126