Samsung Galaxy Watch5

Firmware is specific to the model code. Find yours on the box or in Settings › About phone, then pick it below.

ModelSold inFirmwareLatest build

SM-R900 · Galaxy Watch5 Bluetooth (40mm)Sold in68 countriesFirmware75 CSCs · 1,221 buildsLatest buildR900ZCS2DZG3 · Jul 28, 2026→

One UI and Android versions of the Galaxy Watch5, with the first release of each.

1. Dec 2025

   One UI 8 Watch · Wear OS 6

   Official release: R905NKOU1DYK4 (SM-R905N)

2. Nov 2025

   Android 16

   First firmware build: R900XXU1DYK4 (SM-R900)

3. Dec 2024

   One UI 6 Watch · Wear OS 6

   Official release: R900XXU1CXK1 (SM-R900)

4. Nov 2024

   Android 14

   First firmware build: R900XXU1CXK1 (SM-R900)

5. Aug 2023

   Android 13

   First firmware build: R900ZCU1BWH3 (SM-R900)

6. Jul 2022

   Android 11

   First firmware build: R900XXU1AVG5 (SM-R900)

As published by Samsung for the SM-R905F; other model codes can differ (chipset, network bands).

Sold in 73 countries.