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Samsung Galaxy Watch5 (SM-R900) Android 16 firmware update R900ZCU2DZB5 – China | SamFrew

Home / Devices / Galaxy Watch5 / SM-R900 / CHC

Galaxy Watch5

SM-R900

Release R900ZCU2DZB5

China · CHCAndroid 16Built 2/10/2026

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CHC-R900ZCU2DZB5-20260306173711.zip

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File size3.2 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: R900ZCU2DZB5
CSC: R900CHC2DZB5
Country: China
Changelist: 32155332
Build date: 2/10/2026
Added to Samfrew: 3/6/2026