Galaxy S24

SM-S921U

Firmware S921USQS4CYL1

United States · DSHAndroid 16Built Dec 4, 2025

Release information

Firmware identifiers

The software versions and region covered by this firmware update.

United States · CSC DSH · 3 carriers in 1 country

What is CSC?

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

T-Mobile

MCCMNC310240NWIDNW02086

GSM 1900

T-Mobile

MCCMNC310240NWIDNW02085

GSM 1900

Internal use

MCCMNC99999NWIDNW02086

TEST

MCCMNC00101NWIDNW00156

Test network