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Samsung Galaxy Watch4 (SM-R860) Android 16 firmware update R860ZCS2JZG3 – China | SamFrew

Home / Devices / Galaxy Watch4 / SM-R860 / CHC

Galaxy Watch4

SM-R860

Release R860ZCS2JZG3

China · CHCAndroid 16Built 7/27/2026

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CHC-R860ZCS2JZG3-20260820102550.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: R860ZCS2JZG3
CSC: R860CHC2JZG3
Country: China
Changelist: 33003255
Build date: 7/27/2026
Added to Samfrew: 8/20/2026