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

Samsung Galaxy Watch4 44mm (SM-R870) firmware for USA (XAA): 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-R875F SM-R875N

Model		Build date	PDA	Version
SM-R870	USA	2026-05-21	R870XXS2JZE1	16

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

Model		Build date	PDA	Version
SM-R875U	USA	2021-10-24	R875USQU1DUJC	11
SM-R875U	USA	2026-05-20	R875USQS2JZE1	16
SM-R875U	USA	2025-03-28	R875USQU1IYCD	14
SM-R875U	USA	2023-12-04	R875USQU1HWL1	13
SM-R875U	USA	2023-02-13	R875USQU1GWB2	11
SM-R875U	USA	2021-08-11	R875USQU1BUH9	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
2026-05-20	R875USQS2JZE1
Version
16

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
2023-02-13	R875USQU1GWB2
Version
11

Model	Country/Carrier
SM-R875U	USA
Build date	PDA
2021-08-11	R875USQU1BUH9
Version
11

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

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