Galaxy Watch9

SM-L355F

Release L355FXXU1AZFL

Czech Republic · XEZAndroid 17Built 6/26/2026

Release information

Firmware identifiers

The software versions and region covered by this firmware update.

Czech Republic · CSC XEZ · 3 carriers 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

T-Mobile

MCCMNC23001NWIDNW01335

T-Mobile Czech Republic

5G 7005G 18005G 2100LTE 800LTE 1800LTE 2100LTE 2600GSM 900

Vodafone

MCCMNC23003NWIDNW01467

Vodafone Czech Republic

5G 7005G 18005G 21005G 3500LTE 800LTE 1800LTE 2100LTE 2600GSM 900GSM 1800