Galaxy Watch9

SM-L355F

Release L355FXXU1AZG5

JP · DCMAndroid 17Built 7/21/2026

Release information

Firmware identifiers

The software versions and region covered by this firmware update.

JP · CSC DCM · 1 carrier in 1 country

What is CSC?

CSC is Samsung's region and carrier customization. The networks below are included in this release.

NTT docomo

MCCMNC44010NWIDNW00875

NTT DoCoMo , Inc.

5G 35005G 47005G 28000LTE 700LTE 850LTE 1500LTE 1800LTE 2100TD-LTE 3500