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    Latest Samsung Galaxy Watch4 44mm (SM-R870) - XAA firmware

    Samsung Galaxy Watch4 44mm (SM-R870) firmware for USA (XAA): 2 builds in the SamMobile archive, newest first. The latest is R870XXU1CUID (Android 11, built 27 September 2021). Open a build to download it, or switch region with the country selector.

    SM-R875F SM-R875N
    Model
    		Build date PDA Version
    SM-R870 USA 2021-09-27 R870XXU1CUID 11
    SM-R870 USA 2026-05-21 R870XXS2JZE1 16
    Model Country/Carrier
    SM-R870 USA
    Build date PDA
    2021-09-27 R870XXU1CUID
    Version
    11
    Model Country/Carrier
    SM-R870 USA
    Build date PDA
    2026-05-21 R870XXS2JZE1
    Version
    16
    Model
    		Build date PDA Version
    SM-R875U USA 2022-08-10 R875USQU1GVH2 11
    SM-R875U USA 2026-05-20 R875USQS2JZE1 16
    SM-R875U USA 2026-02-11 R875USQU2JZB6 16
    SM-R875U USA 2026-01-06 R875USQU1JYL6 16
    SM-R875U USA 2025-09-12 R875USQU1IYI1 14
    SM-R875U USA 2025-05-30 R875USQS1IYE1 14
    SM-R875U USA 2025-03-28 R875USQU1IYCD 14
    SM-R875U USA 2023-12-04 R875USQU1HWL1 13
    SM-R875U USA 2023-08-08 R875USQU1HWH3 13
    SM-R875U USA 2023-04-24 R875USQU1GWDA 11
    SM-R875U USA 2023-02-13 R875USQU1GWB2 11
    SM-R875U USA 2022-11-14 R875USQU1GVK6 11
    SM-R875U USA 2021-10-24 R875USQU1DUJC 11
    SM-R875U USA 2021-08-11 R875USQU1BUH9 11
    Model Country/Carrier
    SM-R875U USA
    Build date PDA
    2022-08-10 R875USQU1GVH2
    Version
    11
    Model Country/Carrier
    SM-R875U USA
    Build date PDA
    2026-05-20 R875USQS2JZE1
    Version
    16
    Model Country/Carrier
    SM-R875U USA
    Build date PDA
    2026-02-11 R875USQU2JZB6
    Version
    16
    Model Country/Carrier
    SM-R875U USA
    Build date PDA
    2026-01-06 R875USQU1JYL6
    Version
    16
    Model Country/Carrier
    SM-R875U USA
    Build date PDA
    2025-09-12 R875USQU1IYI1
    Version
    14
    Model Country/Carrier
    SM-R875U USA
    Build date PDA
    2025-05-30 R875USQS1IYE1
    Version
    14
    Model Country/Carrier
    SM-R875U USA
    Build date PDA
    2025-03-28 R875USQU1IYCD
    Version
    14
    Model Country/Carrier
    SM-R875U USA
    Build date PDA
    2023-12-04 R875USQU1HWL1
    Version
    13
    Model Country/Carrier
    SM-R875U USA
    Build date PDA
    2023-08-08 R875USQU1HWH3
    Version
    13
    Model Country/Carrier
    SM-R875U USA
    Build date PDA
    2023-04-24 R875USQU1GWDA
    Version
    11
    Model Country/Carrier
    SM-R875U USA
    Build date PDA
    2023-02-13 R875USQU1GWB2
    Version
    11
    Model Country/Carrier
    SM-R875U USA
    Build date PDA
    2022-11-14 R875USQU1GVK6
    Version
    11
    Model Country/Carrier
    SM-R875U USA
    Build date PDA
    2021-10-24 R875USQU1DUJC
    Version
    11
    Model Country/Carrier
    SM-R875U USA
    Build date PDA
    2021-08-11 R875USQU1BUH9
    Version
    11