Samsung Galaxy Watch4 R870XXU1FVC8
SM-R870 13 countries Wear OS 11

Samsung Galaxy Watch4 R870XXU1FVC8 Firmware

Samsung Galaxy Watch4 R870XXU1FVC8 is an Wear OS 11 firmware for 13 countries, 13 CSC codes. 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 R870ZCU1FVC8, Android and the bootloader binary are unchanged, so you can switch between the two in both directions. A newer build for SM-R870 is available: R870XXS2JZG3.

Download firmware
9.1/10 (23)3,120 times
Wear OS 11
OS Version
2022-04-05
Build Date
2022-03-01
Security patch
13
Countries
13
CSC codes
1
Bootloader binary

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

Newer builds of Samsung Galaxy Watch4 use bootloader binary 2 (latest: R870XXS2JZG3). If your device already runs binary 2, this build cannot be flashed.

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: R870XXU1FVC8
    ModelRegionCSC VersionRelease dateSizeFile nameDownload
    SM-R870
    ACR Saudi Arabia
    AFR Kenya
    ARO Argentina
    ATO Austria
    +9 more countries
    AUT Switzerland
    BGL Bulgaria
    BNG Bangladesh
    BRI Taiwan
    BTU United Kingdom
    BVO Bolivia
    KOO South Korea
    XEZ Czechia
    ZTO Brazil
    		R870OXM1FVC8 2022-04-07 2.573 GiB
    SM-R870_1_20220405132520_3zrjmqf7ed_fac.zip
    		Download

    No matching downloads

    How to flash R870XXU1FVC8

    • R870XXU1FVC8 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.

    What's new in R870XXU1FVC8

    • Enhanced Samsung Health Function
    • Improved system stability and reliability

    Rollout of R870XXU1FVC8 by region

    First release
    April 7, 2022
    Last region
    April 12, 2022
    Duration
    6 days
    Regions
    12
    1. Day 1 · · 1 region
      TaiwanBRI
    2. Day 6 · · 11 regions
      ArgentinaAROAustriaATOBangladeshBNGBoliviaBVOBrazilZTOBulgariaBGLCzechiaXEZKenyaAFRSaudi ArabiaACRSwitzerlandAUTUnited KingdomBTU

    Device specifications

    • Launched withWear OS
    • Display diagonal3.56 cm (1.4")
    • Display technologyOLED
    • Display resolution450 x 450 pixels
    • Processor frequency1180 MHz
    • RAM1500 MB
    • Flash memory16 GB
    • Battery capacity361 mAh
    • Weight30.3 g
    • Band colourBlack

    Frequently Asked Questions

    R870XXU1FVC8 is Wear OS 11 firmware for Samsung Galaxy Watch4, released for 13 countries, 13 CSC codes. It includes the 2022-03-01 security patch. Samsung built it on 2022-04-05.

    No. A newer build for SM-R870 is available: R870XXS2JZG3. Install it instead of R870XXU1FVC8 unless you need this exact version. The previous build was R870ZCU1FVC8.

    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 2.573 GiB; keep about twice that free on the computer to unzip it. The Samsung Galaxy Watch4 must be on bootloader binary 1 or lower.

    This build uses bootloader binary 1. It can be flashed on a Samsung Galaxy Watch4 running binary 1 or lower; if the device already has a higher binary, Odin stops with "SW REV CHECK FAIL". 31 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 Watch4

    • Security
    The device is protected with improved security.

    These changes may vary depending on the model, country, or network operator of the customer environment.

    • Stability and reliability
    Device behavior has been improved.
    • Security
    The device is protected with improved security.

    These changes may vary depending on the model, country, or network operator of the customer environment.

    • Stability and reliability
    Device behavior has been improved.

    These changes may vary depending on the model, country, or network operator of the customer environment.

    • Stability and reliability
    Device behavior has been improved.
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    The device is protected with improved security.

    These changes may vary depending on the model, country, or network operator of the customer environment.

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    • Stability and reliability
    Device behavior has been improved.

    These changes may vary depending on the model, country, or network operator of the customer environment.

    • Stability and reliability
    Device behavior has been improved.
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    The device is protected with improved security.

    These changes may vary depending on the model, country, or network operator of the customer environment.

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    • Stability and reliability
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    Model firmware by region