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Samsung Galaxy Watch5 (SM-R900) Android 16 firmware update R900ZCS2DZE1 – China | SamFrew

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

Galaxy Watch5

SM-R900

Firmware R900ZCS2DZE1

China · CHCAndroid 16Built May 26, 2026

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File size3.7 GB

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Release information

Firmware identifiers

The software versions and region covered by this firmware update.

PDA: R900ZCS2DZE1
CSC: R900CHC2DZE1
Country: China
Changelist: 33003255
Build date: May 26, 2026
Upload date: Jun 22, 2026
File name: SM-R900_4_20260622132131_e9jp3txnrf_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: May 5, 2026
Bootloader: 2
Chipset: Exynos W920
Codename: heartbs
Launched with: Android 11
Apps: 32-bit only
Build number: BP2A.250325.020.R900ZCS2DZE1
Kernel: 5.15.180-33003255-abR900ZCS2DZE1