This update includes improvements to functions as listed below.
The exact changes may differ depending on your device model, country, and service provider.
To get the best from your device, please keep your device up to date and regularly check for software updates.

Galaxy Watch3 (SM-R845F)

Build Number : R845FXXU1FWK2

Tizen version : Tizen 5.5.0.2

Release Date : 2023-12-26

• Watch faces
2 new types of new Watch faces.
(Stretched Time, Perpetual)
• Stability and reliability
The stability for sensors has been improved.

Build Number : R845FXXU1FVH4

Tizen version : Tizen 5.5.0.2

Release Date : 2022-09-28

• Watch Face
Enjoy new and improved watch faces with enriched style and customizable options.
- Two new Watch Faces have been added.
(Pro analog, Gradient number)
• Samsung Health
- Through the updated 'Daily Activity Indicator', Mobile Health data is synchronized to improve convenience.
- Provides a recording function when snoring is detected, using your mobile phone while you sleep.
• Added the new Samsung Health Monitor App(Blood Pressure and ECG).
※ The Blood Pressure app and/or ECG app in the Samsung Health Monitor is available in countries where a regulatory clearance, approval or certificate for each app has been obtained.
We expect that the number of countries where the Samsung Health Monitor to be available will continuously increase in the order of securing an appropriate regulatory clearance, approval or certificate.
Note, although you may notice that the Samsung Health Monitor is downloaded to your device, the BP and/or ECG app is not activatable until necessary regulatory clearance, approval or certificate is secured

Build Number : R845FXXU1EVG1

Tizen version : Tizen 5.5.0.2

Release Date : 2022-08-18

• GPS
The stability has been improved.

Build Number : R845FXXU1EUK2

Tizen version : Tizen 5.5.0.2

Release Date : 2021-12-08

• Watch faces
- Support the new Watchfaces
• Exercise
- Support Group Challenge Widget in watch
- Provide more accurate calorie consumption levels based on HR (Except swimming)
• Detect falls
- More falls will be detected, but other activity may also be detected as falls.
• Calendar
- Increase the calendar synchronization period from 3 months to 1 year

Build Number : R845FXXU1DUE4

Tizen version : Tizen 5.5.0.2

Release Date : 2021-06-30

• Enhanced the auto walking/running icons
• Enhanced the 'Inactive time alerts' icon
• Device stability improvements, bug fixes.

The Blood Pressure app and/or ECG app in the Samsung Health Monitor is available in countries where a regulatory clearance, approval or certificate for each app has been obtained.
We expect that the number of countries where the Samsung Health Monitor to be available will continuously increase in the order of securing an appropriate regulatory clearance, approval or certificate.
Note, although you may notice that the Samsung Health Monitor is downloaded to your device, the BP and/or ECG app is not activatable until necessary regulatory clearance, approval or certificate is secured

Build Number : R845FXXU1DUC1

Tizen version : Tizen 5.5.0.2

Release Date : 2021-04-27

• The security of your device has been improved.

Build Number : R845FXXU1DUA4

Tizen version : Tizen 5.5.0.2

Release Date : 2021-02-22

• Improved Samsung Health Function
- You can now enjoy a group-walking challenge with your friends
- Reduced auto workout recognition time (running, rowing machine, elliptical)
- Enjoy home workout with a variety of fitness programs
• SmartThings Find
- You can find the location of the watch on the map.
• Hand Wash
- After downloading the Hand Wash app, your watch can automatically detect and time, when you start washing your hands
• Improved system stability and reliability

The Blood Pressure app and/or ECG app in the Samsung Health Monitor is available in countries where a regulatory clearance, approval or certificate for each app has been obtained.
We expect that the number of countries where the Samsung Health Monitor to be available will continuously increase in the order of securing an appropriate regulatory clearance, approval or certificate.
Note, although you may notice that the Samsung Health Monitor is downloaded to your device, the BP and/or ECG app is not activatable until necessary regulatory clearance, approval or certificate is secured

Build Number : R845FXXU1CTJ5

Tizen version : Tizen 5.5.0.1

Release Date : 2020-11-24

• Voice guidance provided via headset connected to mobile when exercising with a watch.
• Voice guidance provided for traveled distance and HR data, when Auto Lap feature is enabled during Running/Cycling.
• Improved Blood Oxygen measurement
• Improved system stability and reliability