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Samsung Galaxy Watch5 (SM-R900) Android 16 firmware update R900ZCU1DYL6 – China | SamFrew

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

Galaxy Watch5

SM-R900

Firmware R900ZCU1DYL6

China · CHCAndroid 16Built Jan 7, 2026

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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: R900ZCU1DYL6
CSC: R900CHC1DYL6
Country: China
Changelist: 32155332
Build date: Jan 7, 2026
Upload date: Jan 29, 2026
File name: SM-R900_4_20260129094020_fspsbrpb0t_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: Jan 1, 2026
Bootloader: 1
Chipset: Exynos W920
Codename: heartbs
Launched with: Android 11
Apps: 32-bit only
Build number: BP2A.250325.020.R900ZCU1DYL6
Kernel: 5.15.180-32155332-abR900ZCU1DYL6