Home / Firmware / SM-L355N / KTC
Galaxy Watch9
L355NKOU1AZFL
KTCAndroid 17Released 6/26/2026Firmware details
Key identifiers and package metadata for this release.
L355NKOU1AZFLL355NOKR1AZFL 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