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Galaxy Watch9
L355FXXU1AZG5
SBMAndroid 17Released 7/21/2026Firmware details
Key identifiers and package metadata for this release.
L355FXXU1AZG5L355FSJP1AZG5 JPJPCSC code SBM1 carrier 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.
SoftBank44020NWIDNW01155