Galaxy Watch9 44mm
Release L3550ZCU1AZG1
China · CHCAndroid 17Built 7/2/2026Release information
The software versions and region covered by this firmware update.
L3550ZCU1AZG1L3550CHC1AZG1 ChinaDownload files
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Open fileChina · CSC CHC · 13 carriers in 3 countries
CSC is Samsung's region and carrier customization. The networks below are included in this release.
China Broadnet46015NWIDNW02147China Mobile46000NWIDNW00109China Mobile46002NWIDNW00109China Mobile46007NWIDNW00109China Mobile46008NWIDNW00109China Telecom46003NWIDNW00041China Telecom46011NWIDNW00041China Unicom46001NWIDNW00042China Unicom46009NWIDNW00042
China UnicomMVNO45407NWIDNW01378China UnicomMVNO45407NWIDNW01910China UnicomMVNO45407NWIDNW01911CTExcelMVNO45431NWIDNW00368CTExcelMVNO45431NW02299
China Telecom45502NWIDNW01665China Telecom45502NWIDNW01933China Telecom45507NWIDNW01665