Galaxy S25

SM-S931Z

Firmware S931ZSCS1BZA1

Japan · SBMAndroid 16Built Jan 13, 2026

Release information

Firmware identifiers

The software versions and region covered by this firmware update.

Japan · CSC SBM · 1 carrier in 1 country

What is CSC?

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

SoftBank

MCCMNC44020NWIDNW01155

SoftBank Corp.

5G 37005G 28000LTE 700LTE 900LTE 1500LTE 1800LTE 2100TD-LTE 2500TD-LTE 3500