Samsung Galaxy Watch3 45mm R840XXU1DWK2
SM-R840 1 country Tizen 5.5.0.2

Samsung Galaxy Watch3 45mm R840XXU1DWK2 Firmware

Samsung Galaxy Watch3 45mm R840XXU1DWK2 is an Tizen 5.5.0.2 firmware for Russia (SER). It is the same firmware configured per region and carrier (CSC). Find your country below, verify the file and download for free. Compared with the previous build R840XXU1DVH4, Android and the bootloader binary are unchanged, so you can switch between the two in both directions. This is the newest build for SM-R840.

9.1/10 (73)572 times
Tizen 5.5.0.2
OS Version
2023-12-13
Build Date
n/a
Security patch
1
Countries
1
CSC codes
1
Bootloader binary

Bootloader binary 1. Flashing firmware with a lower binary is usually blocked by Samsung anti-rollback.

All regional downloads

Pick your region (CSC) to download the matching firmware package.

Paste your current build number from Settings > About phone (About tablet) > Software information, or the output of *#1234#.
    MODEM/CP Version: R840XXU1DWK2
    ModelRegionCSC VersionRelease dateSizeFile nameDownload
    SM-R840
    SER Russia
    		R840OXA1DWK2 2023-12-26 945.887 MiB
    SM-R840_1_20231213145150_ta08nboye4_fac.zip

    No matching downloads

    Device specifications

    • Launched withTizen
    • Display diagonal3.56 cm (1.4")
    • Display technologyOLED
    • Display resolution360 x 360 pixels
    • RAM1000 MB
    • Flash memory8 GB
    • Battery capacity340 mAh
    • Weight53.8 g
    • Band materialLeather
    • Band colourBlack

    Specifications of SM-R840N, a regional variant of the same device. Chipset and SIM lines are left out: they can differ by region.

    What's new in R840XXU1DWK2

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

    How to flash R840XXU1DWK2

    • R840XXU1DWK2 has bootloader binary 1. Your device must run binary 1 or lower: it is the 5th character from the end of your current build number.
    • CSC: Use CSC for a clean install, to change the region (CSC code), to downgrade or to repair a device that does not boot.
    • HOME_CSC: Use HOME_CSC to update the same model and region while keeping your data. Back up anyway: a failed update can still require a reset.
    • The Download Mode key combo depends on the model: see all combos.
    Full flashing guide
    Beware: Manually flashing firmwares may brick your device. Use it at your own risk and follow our tutorial steps.

    Frequently Asked Questions

    R840XXU1DWK2 is Tizen 5.5.0.2 firmware for Samsung Galaxy Watch3 45mm, released for Russia (SER). Samsung built it on 2023-12-13.

    Yes. R840XXU1DWK2 is the newest build for SM-R840 on SamFirm. The previous build was R840XXU1DVH4.

    Download the package for your region (CSC) and unzip it. In Odin, load each file into the slot with the same name: BL, AP, CP (if the package has one) and CSC, or HOME_CSC to keep your data. Odin checks the built-in checksum of every .tar.md5 file before flashing. The download is 945.887 MiB; keep about twice that free on the computer to unzip it. The Samsung Galaxy Watch3 45mm must be on bootloader binary 1 or lower.

    This build uses bootloader binary 1. It can be flashed on a Samsung Galaxy Watch3 45mm running binary 1 or lower; if the device already has a higher binary, Odin stops with "SW REV CHECK FAIL". 9 other builds of this model use the same binary, so you can switch between them in both directions.

    Other builds and changelog for Samsung Galaxy Watch3 45mm

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

    • 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.

    • GPS
    The stability has been improved.

    • 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.
    • Blood pressure/ECG
    - Available in Paraguay, Georgia, Azerbaijan, and Australia
    • Calendar
    - Increase the calendar synchronization period from 3 months to 1 year

    • Enhanced the auto walking/running icons
    • Enhanced the 'Inactive time alerts' icon
    • Improved device stability

    Show 5 older builds

    • Improved Messaging App stability  
    • Improved WiFi stability  
    • 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, al...

    • 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

    • 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

    - Blood Oxygen : Check how effectively your respiratory system transfers oxygen to the blood stream.
      * Not Available Countries : Algeria, Angola, Canada, France, Iran, Japan, Libya, South Africa, Thailand
    - Advanced Running Analysis : Giving you the insights you need to improve your running form.
    - VO2max : Check the maximum amount of oxygen you utilize during exercise to improve your endurance
    - Sleep score : Check out sleep scores, a new way to understand your sleep patterns.

    No changelog details available.
    Model firmware by region