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Samsung Galaxy Watch4 (SM-R870) Android 14 firmware update R870ZCU1IYI1 – China | SamFrew

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

Galaxy Watch4

SM-R870

Release R870ZCU1IYI1

China · CHCAndroid 14Built 9/17/2025

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CHC-R870ZCU1IYI1-20251104140540.zip

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File size2.9 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: R870ZCU1IYI1
CSC: R870CHC1IYI1
Country: China
Changelist: 30937185
Build date: 9/17/2025
Added to Samfrew: 9/15/2025