Galaxy Watch9

SM-L355F

Release L355FXXS1AZH4

Latest

Slovakia · XSKAndroid 17Built 8/21/2026

Release information

Firmware identifiers

The software versions and region covered by this firmware update.

Slovakia · CSC XSK · 6 carriers in 1 country

What is CSC?

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

4ka

MCCMNC23103NWIDNW01623

SWAN Mobile, a.s.

5G 3500LTE 1800TD-LTE 3500TD-LTE 3700

O 2

MCCMNC23106NWIDNW00895

O2 Slovakia

5G 3500LTE 800LTE 1800TD-LTE 3500TD-LTE 3700GSM 900

Orange

MCCMNC23101NWIDNW00958

Orange Slovensko

5G 3500LTE 800LTE 1800LTE 2600GSM 900

Orange

MCCMNC23105NWIDNW00958

Orange Slovensko

GSM 900

Telekom

MCCMNC23102NWIDNW01320

Slovak Telekom

5G 2100LTE 800LTE 1800LTE 2100LTE 2600TD-LTE 3700GSM 900

Telekom

MCCMNC23104NWIDNW01320

Slovak Telekom

GSM 900