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Galaxy Watch8 Classic
L505USQU1AYG4
XAAAndroid 16Released 7/28/2025Firmware details
Key identifiers and package metadata for this release.
L505USQU1AYG4L505UOYM1AYG4 USAUSACSC code XAA7 carriers in 2 countries
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.
AT&T310410NWIDNW02171AT&T311180NWIDNW02171AT&T310950NWIDNW02171AT&T310410NWIDNW02172AT&T311180NWIDNW02172AT&T310950NWIDNW02172AT&T310150NWIDNW00057T-Mobile310240NWIDNW02019T-Mobile310240NWIDNW02404
AT&T310280NWIDNW02171AT&T310280NWIDNW02172T-Mobile310260NWIDNW02019