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Samsung Galaxy Watch4 (SM-R860) Android 16 firmware update R860ZCU1JYL6 – China | SamFrew

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

Galaxy Watch4

SM-R860

Firmware R860ZCU1JYL6

China · CHCAndroid 16Built Jan 6, 2026

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File size3.4 GB

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Release information

Firmware identifiers

The software versions and region covered by this firmware update.

PDA: R860ZCU1JYL6
CSC: R860ZMK1JYL6
Country: China
Changelist: 32155332
Build date: Jan 6, 2026
Upload date: Jan 27, 2026
File name: SM-R860_22_20260127170331_5gsosj8f52_fac.zip