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

    Samsung Galaxy Watch4 44mm (SM-R870) firmware for Hong Kong (TGY): 1 build in the SamMobile archive, newest first. The latest is R870XXS2JZE1 (Android 16, built 21 May 2026). Open a build to download it, or switch region with the country selector.

    SM-R875N SM-R875U
    Model
    		Build date PDA Version
    SM-R870 Hong Kong 2026-05-21 R870XXS2JZE1 16
    Model Country/Carrier
    SM-R870 Hong Kong
    Build date PDA
    2026-05-21 R870XXS2JZE1
    Version
    16
    Model
    		Build date PDA Version
    SM-R875F Hong Kong 2023-02-06 R875FXXU1GWB1 11
    Model Country/Carrier
    SM-R875F Hong Kong
    Build date PDA
    2023-02-06 R875FXXU1GWB1
    Version
    11