Galaxy S24

SM-S921B

Release S921BXXSFDZF2

Czech Republic · O2CAndroid 16Built 6/9/2026

Release information

Firmware identifiers

The software versions and region covered by this firmware update.

Czech Republic · CSC O2C · 1 carrier in 1 country

What is CSC?

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

O 2

MCCMNC23002NWIDNW02029

O2 Czech Republic

5G 18005G 21005G 3700LTE 800LTE 900LTE 1800LTE 2600TD-LTE 2600GSM 900GSM 1800