Galaxy Watch6

SM-R945F

Firmware R945FXXU2CZB6

Switzerland · AUTAndroid 16Built Feb 12, 2026

Release information

Firmware identifiers

The software versions and region covered by this firmware update.

PDA: R945FXXU2CZB6
CSC: R945FOXA2CZB6
Country: Switzerland
Changelist: 33003255
Build date: Feb 12, 2026
Upload date: Mar 17, 2026
File name: SM-R945F_3_20260317111631_fx09zmi33r_fac.zip

Inside the firmware

Software details

Read from the build properties and kernel of this firmware.

One UI Watch: 8.0
Android: 16 (API 36)
Security patch: Feb 5, 2026
Bootloader: 2
Chipset: Exynos W920
Codename: fresh6ul
Launched with: Android 13
Apps: 32-bit only
Build number: BP2A.250325.020.R945FXXU2CZB6
Kernel: 5.15.180-33003255-abR945FXXU2CZB6

Supported networks

Switzerland · CSC AUT · 9 carriers in 3 countries

What is CSC?

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

Salt

MCCMNC22803NWIDNW01080

Salt Mobile SA

5G 7005G 3500LTE 800LTE 1800LTE 2100LTE 2600UMTS 900UMTS 2100

SBB-CFF-FFS

MCCMNC22806NWIDNW02363

SBB AG

GSM-R 900

Sunrise

MCCMNC22802NWIDNW01176

Sunrise UPC

5G 7005G 3500LTE 800LTE 900LTE 1800LTE 2100LTE 2600

Swisscom

MCCMNC22801NWIDNW01197

Swisscom AG

5G 7005G 21005G 3500LTE 700LTE 800LTE 900LTE 1500LTE 1800LTE 2100LTE 2600UMTS 900

upc cablecomMVNO

MCCMNC22853NWIDNW01417

Sunrise UPC GmbH

Roaming partners (4)

Proximus

MCCMNC20601NWIDNW01417

Proximus SA

5G 21005G 3500LTE 800LTE 1800LTE 2600GSM 900GSM 1800

7acht

MCCMNC29502NWIDNW01114

Salt Liechtenstein AG

LTE 1800UMTS 2100GSM 900GSM 1800

FL1

MCCMNC29505NWIDNW02032

Telecom Liechtenstein AG

LTE 800UMTS 2100GSM 900

Swisscom

MCCMNC29501NWID