Home / Firmware / SM-R905N / KOO
Galaxy Watch5
R905NKOS2DZE1
KOOAndroid 16Released 5/21/2026Firmware details
Key identifiers and package metadata for this release.
R905NKOS2DZE1R905NOKO2DZE1 KOREAKOREACSC code KOO3 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