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Samsung Galaxy Watch4 (SM-R870) Android 16 firmware update R870ZCS2JZE1 – China | SamFrew

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

Galaxy Watch4

SM-R870

Release R870ZCS2JZE1

China · CHCAndroid 16Built 5/26/2026

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CHC-R870ZCS2JZE1-20260622082820.zip

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File size3.0 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: R870ZCS2JZE1
CSC: R870CHC2JZE1
Country: China
Changelist: 33003255
Build date: 5/26/2026
Added to Samfrew: 6/22/2026