Latest
Samsung Galaxy Watch4 44mm (SM-R875N) - KOO firmware
Samsung Galaxy Watch4 44mm (SM-R875N) firmware for Korea (KOO): 14 builds in the SamMobile archive, newest first. The latest is R875NKOU1BWA3 (Android 11, built 10 January 2023). Open a build to download it, or switch region with the country selector.
SM-R870
SM-R875F
SM-R875N
SM-R875U
Model
Country/carrier
Argentina (ARO)
Australia (XSA)
Baltic (SEB)
Bangladesh (BNG)
Brazil (ZTO)
Bulgaria (BGL)
Chile (CHO)
China (Open China) (CHC)
Colombia (COO)
Czech Republic (XEZ)
Egypt (EGY)
France (XEF)
Germany (DBT)
Greece (EUR)
Hong Kong (TGY)
Hungary (XEH)
India (INU)
Indonesia (XSE)
Iraq (MID)
Israel (ILO)
Italy (ITV)
Japan (XJP)
Kazakhstan (SKZ)
Kenya (AFR)
Kenya (Zain) (DKR)
Korea (KOO)
Luxembourg (LUX)
Malaysia (XME)
Morocco (MWD) (MWD)
Nepal (NPL)
Netherlands (PHN)
Nigeria (ECT)
Nordic countries (NEE)
Open Austria (ATO)
Pakistan (PAK) (PAK)
Panama (TPA)
Paraguay (UPO)
Peru (PEO)
Philippines (Open Line) (XTC)
Poland (XEO)
Portugal (TPH) (TPH)
Romania (ROM)
Russia (SER)
Saudi Arabia (KSA)
Singapore (XSP)
Slovakia (XSK)
Slovenia (SIO)
South Africa (XFA)
South East Europe (SEE)
Spain (PHE)
Sri Lanka (SLK)
Switzerland (AUT)
Taiwan (BRI)
Thailand (THO)
Trinidad and Tobago (TTT)
Tunisia (TUN)
Turkey (TUR)
USA (XAA)
Ukraine (Kyivstar) (SEK)
United Arab Emirates (UAE) (XSG)
United Kingdom (BTU)
Uzbekistan (CAC)
Vietnam (XXV)
Build date
PDA
Version
SM-R870
Korea
2026-03-09
R870XXU2JZC2
16
SM-R870
Korea
2026-10-29
R870XXS2JZG3
ANDROID
SM-R870
Korea
2026-05-21
R870XXS2JZE1
16
SM-R870
Korea
2026-01-06
R870XXU1JYL6
16
SM-R870
Korea
2024-11-04
R870XXU1IXK1
14
SM-R870
Korea
2023-02-02
R870XXU1GWB1
11
SM-R870
Korea
2023-01-10
R870XXU1GWA3
11
SM-R870
Korea
2022-11-06
R870XXU1GVK4
11
SM-R870
Korea
2022-09-28
R870XXU1GVI3
11
SM-R870
Korea
2022-08-19
R870XXU1GVH2
11
SM-R870
Korea
2022-05-31
R870XXU1FVE4
11
SM-R870
Korea
2022-02-16
R870XXU1EVB4
11
SM-R870
Korea
2022-01-27
R870XXU1EVA8
11
SM-R870
Korea
2021-12-27
R870XXU1DULB
11
SM-R870
Korea
2021-10-16
R870XXU1DUJA
11
SM-R870
Korea
2021-07-20
R870XXU1AUGE
11
Country/carrier
Argentina (ARO)
Australia (XSA)
Baltic (SEB)
Bangladesh (BNG)
Brazil (ZTO)
Bulgaria (BGL)
Chile (CHO)
China (Open China) (CHC)
Colombia (COO)
Czech Republic (XEZ)
Egypt (EGY)
France (XEF)
Germany (DBT)
Greece (EUR)
Hong Kong (TGY)
Hungary (XEH)
India (INU)
Indonesia (XSE)
Iraq (MID)
Israel (ILO)
Italy (ITV)
Japan (XJP)
Kazakhstan (SKZ)
Kenya (AFR)
Kenya (Zain) (DKR)
Korea (KOO)
Luxembourg (LUX)
Malaysia (XME)
Morocco (MWD) (MWD)
Nepal (NPL)
Netherlands (PHN)
Nigeria (ECT)
Nordic countries (NEE)
Open Austria (ATO)
Pakistan (PAK) (PAK)
Panama (TPA)
Paraguay (UPO)
Peru (PEO)
Philippines (Open Line) (XTC)
Poland (XEO)
Portugal (TPH) (TPH)
Romania (ROM)
Russia (SER)
Saudi Arabia (KSA)
Singapore (XSP)
Slovakia (XSK)
Slovenia (SIO)
South Africa (XFA)
South East Europe (SEE)
Spain (PHE)
Sri Lanka (SLK)
Switzerland (AUT)
Taiwan (BRI)
Thailand (THO)
Trinidad and Tobago (TTT)
Tunisia (TUN)
Turkey (TUR)
USA (XAA)
Ukraine (Kyivstar) (SEK)
United Arab Emirates (UAE) (XSG)
United Kingdom (BTU)
Uzbekistan (CAC)
Vietnam (XXV)
Model
Country/Carrier
SM-R870
Korea
Build date
PDA
2026-03-09
R870XXU2JZC2
Version
16
Model
Country/Carrier
SM-R870
Korea
Build date
PDA
2026-10-29
R870XXS2JZG3
Version
ANDROID
Model
Country/Carrier
SM-R870
Korea
Build date
PDA
2026-05-21
R870XXS2JZE1
Version
16
Model
Country/Carrier
SM-R870
Korea
Build date
PDA
2026-01-06
R870XXU1JYL6
Version
16
Model
Country/Carrier
SM-R870
Korea
Build date
PDA
2024-11-04
R870XXU1IXK1
Version
14
Model
Country/Carrier
SM-R870
Korea
Build date
PDA
2023-02-02
R870XXU1GWB1
Version
11
Model
Country/Carrier
SM-R870
Korea
Build date
PDA
2023-01-10
R870XXU1GWA3
Version
11
Model
Country/Carrier
SM-R870
Korea
Build date
PDA
2022-11-06
R870XXU1GVK4
Version
11
Model
Country/Carrier
SM-R870
Korea
Build date
PDA
2022-09-28
R870XXU1GVI3
Version
11
Model
Country/Carrier
SM-R870
Korea
Build date
PDA
2022-08-19
R870XXU1GVH2
Version
11
Model
Country/Carrier
SM-R870
Korea
Build date
PDA
2022-05-31
R870XXU1FVE4
Version
11
Model
Country/Carrier
SM-R870
Korea
Build date
PDA
2022-02-16
R870XXU1EVB4
Version
11
Model
Country/Carrier
SM-R870
Korea
Build date
PDA
2022-01-27
R870XXU1EVA8
Version
11
Model
Country/Carrier
SM-R870
Korea
Build date
PDA
2021-12-27
R870XXU1DULB
Version
11
Model
Country/Carrier
SM-R870
Korea
Build date
PDA
2021-10-16
R870XXU1DUJA
Version
11
Model
Country/Carrier
SM-R870
Korea
Build date
PDA
2021-07-20
R870XXU1AUGE
Version
11
Model
Country/carrier
Korea (KOO)
Korea (KT Corporation) (KTC)
Korea (SK Telecom) (SKC)
Unknown (SKO)
Build date
PDA
Version
SM-R875N
Korea
2023-01-10
R875NKOU1BWA3
11
SM-R875N
Korea
2026-07-27
R875NKOS2EZG3
16
SM-R875N
Korea
2026-05-21
R875NKOS2EZE1
16
SM-R875N
Korea
2025-03-28
R875NKOU1DYCD
14
SM-R875N
Korea
2024-12-27
R875NKOU1DXL1
14
SM-R875N
Korea
2024-11-04
R875NKOU1DXK1
14
SM-R875N
Korea
2024-02-21
R875NKOU1CXB7
13
SM-R875N
Korea
2023-12-04
R875NKOU1CWL1
13
SM-R875N
Korea
2023-08-08
R875NKOU1CWH3
13
SM-R875N
Korea
2022-11-14
R875NKOU1BVK6
11
SM-R875N
Korea
2022-04-27
R875NKOU1AVD4
11
SM-R875N
Korea
2021-12-08
R875NKOU1AUL3
11
SM-R875N
Korea
2021-09-04
R875NKOU1AUI2
11
SM-R875N
Korea
2021-08-11
R875NKOU1AUH9
11
Country/carrier
Korea (KOO)
Korea (KT Corporation) (KTC)
Korea (SK Telecom) (SKC)
Unknown (SKO)
Model
Country/Carrier
SM-R875N
Korea
Build date
PDA
2023-01-10
R875NKOU1BWA3
Version
11
Model
Country/Carrier
SM-R875N
Korea
Build date
PDA
2026-07-27
R875NKOS2EZG3
Version
16
Model
Country/Carrier
SM-R875N
Korea
Build date
PDA
2026-05-21
R875NKOS2EZE1
Version
16
Model
Country/Carrier
SM-R875N
Korea
Build date
PDA
2025-03-28
R875NKOU1DYCD
Version
14
Model
Country/Carrier
SM-R875N
Korea
Build date
PDA
2024-12-27
R875NKOU1DXL1
Version
14
Model
Country/Carrier
SM-R875N
Korea
Build date
PDA
2024-11-04
R875NKOU1DXK1
Version
14
Model
Country/Carrier
SM-R875N
Korea
Build date
PDA
2024-02-21
R875NKOU1CXB7
Version
13
Model
Country/Carrier
SM-R875N
Korea
Build date
PDA
2023-12-04
R875NKOU1CWL1
Version
13
Model
Country/Carrier
SM-R875N
Korea
Build date
PDA
2023-08-08
R875NKOU1CWH3
Version
13
Model
Country/Carrier
SM-R875N
Korea
Build date
PDA
2022-11-14
R875NKOU1BVK6
Version
11
Model
Country/Carrier
SM-R875N
Korea
Build date
PDA
2022-04-27
R875NKOU1AVD4
Version
11
Model
Country/Carrier
SM-R875N
Korea
Build date
PDA
2021-12-08
R875NKOU1AUL3
Version
11
Model
Country/Carrier
SM-R875N
Korea
Build date
PDA
2021-09-04
R875NKOU1AUI2
Version
11
Model
Country/Carrier
SM-R875N
Korea
Build date
PDA
2021-08-11
R875NKOU1AUH9
Version
11
