R900ZCU1AWD6 – Galaxy Watch5 firmware

Build R900ZCU1AWD6 is a feature update for the Galaxy Watch5 (SM-R900) on Android 11 (One UI 3). It first appeared on Samsung's servers on May 16, 2023 (method) and has reached 1 region so far. It keeps bootloader bit 1, so downgrading to the previous build R900XXS2DZE1 is still possible. Samsung still serves this file.

Model
SM-R900
Android
Android 11
Type
Feature
Bootloader bit
1
First released
May 16, 2023
Regions
1

Rollout timeline by region

The date each region code (CSC) first received R900ZCU1AWD6, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
CHCChinaMay 16, 2023day 0R900ZCU1AWD6/R900CHC1AWD6/R900ZCU1AWD6

Download and release notes

samloader download -m SM-R900 -r CHC -v R900ZCU1AWD6/R900CHC1AWD6/R900ZCU1AWD6

Samsung's release notes and security patch level for this update: SM-R900 / CHC on doc.samsungmobile.com. What each part of the build number means: decode R900ZCU1AWD6.