Latest Samsung Galaxy Watch4 44mm firmware

This page lists every official firmware Samsung has released for the Samsung Galaxy Watch4 44mm (model SM-R870), newest first. The latest build is R870ZCS2JZE1 for China (Open China) (CHC) (Android 16, built 26 May 2026). Pick your country or carrier to see the builds for your region, then open a firmware to download it for free or at full speed with a Premium account.

Model		Build date	PDA	Version
SM-R870	China (Open China)	2026-05-26	R870ZCS2JZE1	16
SM-R870	Kenya (Zain)	2026-05-21	R870XXS2JZE1	16
SM-R870	Baltic	2026-05-21	R870XXS2JZE1	16
SM-R870	Spain	2026-05-21	R870XXS2JZE1	16
SM-R870	Bulgaria	2026-05-21	R870XXS2JZE1	16
SM-R870	Ukraine (Kyivstar)	2026-05-21	R870XXS2JZE1	16
SM-R870	Germany	2026-05-21	R870XXS2JZE1	16
SM-R870	Japan	2026-05-21	R870XXS2JZE1	16
SM-R870	Greece	2026-05-21	R870XXS2JZE1	16
SM-R870	France	2026-05-21	R870XXS2JZE1	16
SM-R870	Thailand	2026-05-21	R870XXS2JZE1	16
SM-R870	Korea	2026-05-21	R870XXS2JZE1	16
SM-R870	Netherlands	2026-05-21	R870XXS2JZE1	16
SM-R870	Turkey	2026-05-21	R870XXS2JZE1	16
SM-R870	Indonesia	2026-05-21	R870XXS2JZE1	16
SM-R870	Sri Lanka	2026-05-21	R870XXS2JZE1	16
SM-R870	Hong Kong	2026-05-21	R870XXS2JZE1	16
SM-R870	Switzerland	2026-05-21	R870XXS2JZE1	16
SM-R870	Romania	2026-05-21	R870XXS2JZE1	16
SM-R870	Uzbekistan	2026-05-21	R870XXS2JZE1	16
SM-R870	Luxembourg	2026-05-21	R870XXS2JZE1	16

Model	Country/Carrier
SM-R870	China (Open China)
Build date	PDA
2026-05-26	R870ZCS2JZE1
Version
16

Model	Country/Carrier
SM-R870	Kenya (Zain)
Build date	PDA
2026-05-21	R870XXS2JZE1
Version
16

Model	Country/Carrier
SM-R870	Baltic
Build date	PDA
2026-05-21	R870XXS2JZE1
Version
16

Model	Country/Carrier
SM-R870	Spain
Build date	PDA
2026-05-21	R870XXS2JZE1
Version
16

Model	Country/Carrier
SM-R870	Bulgaria
Build date	PDA
2026-05-21	R870XXS2JZE1
Version
16

Model	Country/Carrier
SM-R870	Ukraine (Kyivstar)
Build date	PDA
2026-05-21	R870XXS2JZE1
Version
16

Model	Country/Carrier
SM-R870	Germany
Build date	PDA
2026-05-21	R870XXS2JZE1
Version
16

Model	Country/Carrier
SM-R870	Japan
Build date	PDA
2026-05-21	R870XXS2JZE1
Version
16

Model	Country/Carrier
SM-R870	Greece
Build date	PDA
2026-05-21	R870XXS2JZE1
Version
16

Model	Country/Carrier
SM-R870	France
Build date	PDA
2026-05-21	R870XXS2JZE1
Version
16

Model	Country/Carrier
SM-R870	Thailand
Build date	PDA
2026-05-21	R870XXS2JZE1
Version
16

Model	Country/Carrier
SM-R870	Korea
Build date	PDA
2026-05-21	R870XXS2JZE1
Version
16

Model	Country/Carrier
SM-R870	Netherlands
Build date	PDA
2026-05-21	R870XXS2JZE1
Version
16

Model	Country/Carrier
SM-R870	Turkey
Build date	PDA
2026-05-21	R870XXS2JZE1
Version
16

Model	Country/Carrier
SM-R870	Indonesia
Build date	PDA
2026-05-21	R870XXS2JZE1
Version
16

Model	Country/Carrier
SM-R870	Sri Lanka
Build date	PDA
2026-05-21	R870XXS2JZE1
Version
16

Model	Country/Carrier
SM-R870	Hong Kong
Build date	PDA
2026-05-21	R870XXS2JZE1
Version
16

Model	Country/Carrier
SM-R870	Switzerland
Build date	PDA
2026-05-21	R870XXS2JZE1
Version
16

Model	Country/Carrier
SM-R870	Romania
Build date	PDA
2026-05-21	R870XXS2JZE1
Version
16

Model	Country/Carrier
SM-R870	Uzbekistan
Build date	PDA
2026-05-21	R870XXS2JZE1
Version
16

Model	Country/Carrier
SM-R870	Luxembourg
Build date	PDA
2026-05-21	R870XXS2JZE1
Version
16

Model		Build date	PDA	Version
SM-R875F	Nordic countries	2026-05-21	R875FXXS2JZE1	16
SM-R875F	Chile	2026-05-21	R875FXXS2JZE1	16
SM-R875F	United Arab Emirates	2026-05-21	R875FXXS2JZE1	16
SM-R875F	Brazil	2026-05-21	R875FXXS2JZE1	16
SM-R875F	South Africa	2026-05-21	R875FXXS2JZE1	16
SM-R875F	South East Europe	2026-05-21	R875FXXS2JZE1	16
SM-R875F	Slovakia	2026-05-21	R875FXXS2JZE1	16
SM-R875F	Australia	2026-05-21	R875FXXS2JZE1	16
SM-R875F	Argentina	2026-05-21	R875FXXS2JZE1	16
SM-R875F	Canada	2026-05-21	R875FXXS2JZE1	16
SM-R875F	Japan (AU KDDI)	2026-05-21	R875FXXS2JZE1	16
SM-R875F	India	2026-05-21	R875FXXS2JZE1	16
SM-R875F	Spain	2026-05-21	R875FXXS2JZE1	16
SM-R875F	Czech Republic	2026-01-06	R875FXXU1JYL6	16
SM-R875F	Tunisia	2026-01-06	R875FXXU1JYL6	16
SM-R875F	Hungary	2024-11-04	R875FXXU1IXK1	14
SM-R875F	Slovenia	2024-02-21	R875FXXU1HXB7	13
SM-R875F	Italy	2023-12-04	R875FXXU1HWL1	13
SM-R875F	Hong Kong	2023-02-06	R875FXXU1GWB1	11
SM-R875F	Romania	2023-01-10	R875FXXU1GWA3	11
SM-R875F	Taiwan	2022-01-27	R875FXXU1EVA8	11
SM-R875F	Israel	2021-10-18	R875FXXU1DUJA	11
SM-R875F	Singapore	2021-08-11	R875FXXU1BUH9	11
SM-R875F	Tunisia	2026-05-21	R875FXXS2JZE1	16
SM-R875F	Slovenia	2023-12-04	R875FXXU1HWL1	13
SM-R875F	Japan (AU KDDI)	2023-09-12	R875FXXU1HWI1	13

Model	Country/Carrier
SM-R875F	Nordic countries
Build date	PDA
2026-05-21	R875FXXS2JZE1
Version
16

Model	Country/Carrier
SM-R875F	Chile
Build date	PDA
2026-05-21	R875FXXS2JZE1
Version
16

Model	Country/Carrier
SM-R875F	United Arab Emirates
Build date	PDA
2026-05-21	R875FXXS2JZE1
Version
16

Model	Country/Carrier
SM-R875F	Brazil
Build date	PDA
2026-05-21	R875FXXS2JZE1
Version
16

Model	Country/Carrier
SM-R875F	South Africa
Build date	PDA
2026-05-21	R875FXXS2JZE1
Version
16

Model	Country/Carrier
SM-R875F	South East Europe
Build date	PDA
2026-05-21	R875FXXS2JZE1
Version
16

Model	Country/Carrier
SM-R875F	Slovakia
Build date	PDA
2026-05-21	R875FXXS2JZE1
Version
16

Model	Country/Carrier
SM-R875F	Australia
Build date	PDA
2026-05-21	R875FXXS2JZE1
Version
16

Model	Country/Carrier
SM-R875F	Argentina
Build date	PDA
2026-05-21	R875FXXS2JZE1
Version
16

Model	Country/Carrier
SM-R875F	Canada
Build date	PDA
2026-05-21	R875FXXS2JZE1
Version
16

Model	Country/Carrier
SM-R875F	Japan (AU KDDI)
Build date	PDA
2026-05-21	R875FXXS2JZE1
Version
16

Model	Country/Carrier
SM-R875F	India
Build date	PDA
2026-05-21	R875FXXS2JZE1
Version
16

Model	Country/Carrier
SM-R875F	Spain
Build date	PDA
2026-05-21	R875FXXS2JZE1
Version
16

Model	Country/Carrier
SM-R875F	Czech Republic
Build date	PDA
2026-01-06	R875FXXU1JYL6
Version
16

Model	Country/Carrier
SM-R875F	Tunisia
Build date	PDA
2026-01-06	R875FXXU1JYL6
Version
16

Model	Country/Carrier
SM-R875F	Hungary
Build date	PDA
2024-11-04	R875FXXU1IXK1
Version
14

Model	Country/Carrier
SM-R875F	Slovenia
Build date	PDA
2024-02-21	R875FXXU1HXB7
Version
13

Model	Country/Carrier
SM-R875F	Italy
Build date	PDA
2023-12-04	R875FXXU1HWL1
Version
13

Model	Country/Carrier
SM-R875F	Hong Kong
Build date	PDA
2023-02-06	R875FXXU1GWB1
Version
11

Model	Country/Carrier
SM-R875F	Romania
Build date	PDA
2023-01-10	R875FXXU1GWA3
Version
11

Model	Country/Carrier
SM-R875F	Taiwan
Build date	PDA
2022-01-27	R875FXXU1EVA8
Version
11

Model	Country/Carrier
SM-R875F	Israel
Build date	PDA
2021-10-18	R875FXXU1DUJA
Version
11

Model	Country/Carrier
SM-R875F	Singapore
Build date	PDA
2021-08-11	R875FXXU1BUH9
Version
11

Model	Country/Carrier
SM-R875F	Tunisia
Build date	PDA
2026-05-21	R875FXXS2JZE1
Version
16

Model	Country/Carrier
SM-R875F	Slovenia
Build date	PDA
2023-12-04	R875FXXU1HWL1
Version
13

Model	Country/Carrier
SM-R875F	Japan (AU KDDI)
Build date	PDA
2023-09-12	R875FXXU1HWI1
Version
13

Model		Build date	PDA	Version
SM-R875N	Korea (SK Telecom)	2026-05-21	R875NKOS2EZE1	16
SM-R875N	Unknown	2026-05-21	R875NKOS2EZE1	16
SM-R875N	Korea (KT Corporation)	2026-05-21	R875NKOS2EZE1	16
SM-R875N	Korea	2026-05-21	R875NKOS2EZE1	16

Model	Country/Carrier
SM-R875N	Korea (SK Telecom)
Build date	PDA
2026-05-21	R875NKOS2EZE1
Version
16

Model	Country/Carrier
SM-R875N	Unknown
Build date	PDA
2026-05-21	R875NKOS2EZE1
Version
16

Model	Country/Carrier
SM-R875N	Korea (KT Corporation)
Build date	PDA
2026-05-21	R875NKOS2EZE1
Version
16

Model	Country/Carrier
SM-R875N	Korea
Build date	PDA
2026-05-21	R875NKOS2EZE1
Version
16

Model		Build date	PDA	Version
SM-R875U	USA	2026-05-20	R875USQS2JZE1	16
SM-R875U	USA	2023-02-13	R875USQU1GWB2	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
2023-02-13	R875USQU1GWB2
Version
11

Latest Samsung Galaxy Watch4 44mm firmware

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