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Samsung Galaxy Watch4 (SM-R870) Android 16 Firmware (R870ZCU2JZB5) – China | SamFrew

Home / Firmware / SM-R870 / CHC

Galaxy Watch4

SM-R870 Firmware

PDAR870ZCU2JZB5

CHCAndroid 16Released 2/10/2026

Firmware details

Technical package info

Key identifiers and package metadata for this release.

PDA: R870ZCU2JZB5
CSC: R870CHC2JZB5
Country: China
Changelist: 32155332
Upload date: 2/15/2026
Package size: 3.0 GB (3200275408 bytes)
File name: CHC-R870ZCU2JZB5-20260212152730.zip

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Package size3.0 GB

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