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Samsung Galaxy Watch4 (SM-R870) Android 16 Firmware (R870ZCU1JYL6) – China | SamFrew

Home / Firmware / SM-R870 / CHC

Galaxy Watch4

SM-R870 Firmware

PDAR870ZCU1JYL6

CHCAndroid 16Released 1/6/2026

Firmware details

Technical package info

Key identifiers and package metadata for this release.

PDA: R870ZCU1JYL6
CSC: R870CHC1JYL6
Country: China
Changelist: 32155332
Upload date: 12/15/2025
Package size: 3.0 GB (3196061008 bytes)
File name: CHC-R870ZCU1JYL6-20260127163211.zip

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Package size3.0 GB

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