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Samsung Galaxy Watch5 (SM-R900) Android 16 firmware update R900ZCU1DYK4 – China | SamFrew

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

Galaxy Watch5

SM-R900

Firmware R900ZCU1DYK4

China · CHCAndroid 16Built Nov 12, 2025

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File size3.6 GB

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Release information

Firmware identifiers

The software versions and region covered by this firmware update.

PDA: R900ZCU1DYK4
CSC: R900CHC1DYK4
Country: China
Changelist: 32155332
Build date: Nov 12, 2025
Upload date: Dec 22, 2025
File name: SM-R900_3_20251222092041_qiey8j861b_fac.zip

Inside the firmware

Software details

Read from the build properties and kernel of this firmware.

One UI Watch: 8.0
Android: 16 (API 36)
Security patch: Oct 1, 2025
Bootloader: 1
Chipset: Exynos W920
Codename: heartbs
Launched with: Android 11
Apps: 32-bit only
Build number: BP2A.250325.020.R900ZCU1DYK4
Kernel: 5.15.180-32155332-abR900ZCU1DYK4