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Galaxy Watch9
L355USQS1AZH4
XAAAndroid 17Released 8/21/2026Firmware details
Key identifiers and package metadata for this release.
L355USQS1AZH4L355UOYM1AZH4 USAUSACSC code XAA36 carriers in 7 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&T311190NWIDNW00277AT&T310080NWIDNW00345Big Sky Mobile310300NWIDNW01370Broadpoint, LLC310570NWIDNW00217Cellular One310320NWIDNW00612Choice Wireless311320NWIDNW01655Choice Wireless311040NWIDNW00296DTC Wireless310880NWIDNW00422FirstNet313110NWIDNW02194GCI Wireless311370NWIDNW00490mobi311500NWIDNW00764Nemont312480NWIDNW00837nep310290NWIDNW00840NTT DoCoMo Pacific310470NWIDNW00432Pine Cellular311080NWIDNW01039PTCI311450NWIDNW02104T-Mobile310770NWIDNW00636T-Mobile310240NWIDNW02019T-Mobile310240NWIDNW02404Union Wireless310020NWIDNW01380UScellular311580NWIDNW02020UScellular311588NWIDNW02480Viaero310450NWIDNW01425VTel Wireless311990NWIDNW01591West Central310180NWIDNW01539West Central310180NWIDNW01534WorldCell Solutions LLC311530NWIDNW01055314560NWIDNW0248000101NWIDNW00156
Proximus20601NWIDNW02480
Telus Mobility, Koodo Mobile , Public Mobile302220NWIDNW02480
Docomo310370NWIDNW00432GTA Wireless310140NWIDNW00550IT&E Wireless310480NWIDNW00580
Vodafone20404NWIDNW01476
IT&E Wireless310110NWIDNW00613IT&E Wireless310110NWIDNW00635
Claro Puerto Rico330110NWIDNW01331T-Mobile310260NWIDNW02019