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Samsung Galaxy Watch4 (SM-R870) Android 14 firmware update R870XXU1IYI1 – KOREA | SamFrew

Home / Devices / Galaxy Watch4 / SM-R870 / KOO

Galaxy Watch4

SM-R870

Release R870XXU1IYI1

KOREA · KOOAndroid 14Built 9/16/2025

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KOO-R870XXU1IYI1-20251020160241.zip

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File size3.2 GB

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This file is also the factory firmware for this release.

Release information

Firmware identifiers

The software versions and region covered by this firmware update.

PDA: R870XXU1IYI1
CSC: R870OXM1IYI1
Country: KOREA
Changelist: 30937185
Build date: 9/16/2025
Added to Samfrew: 9/15/2025