Galaxy Watch5

Download Samsung Firmware SM-R900

Samsung Galaxy Watch5

The latest firmware for Samsung Galaxy Watch5 (SM-R900) is R900XXS2DZG3 with Android 16, released on August 17, 2026 for 18 regions (CSC). Every official firmware build for SM-R900, newest first: one row per build with all regions (CSC) that received it.

Latest build
R900XXS2DZG3 https://samfirm.shop/build/R900XXS2DZG3 Android 16 · 2 months ago
Builds
27 builds
Regions (CSC)
19 regions

Firmware builds for SM-R900

Each firmware build has its own page at https://samfirm.shop/build/{PDA}, where {PDA} is the build number from the list above. Example: https://samfirm.shop/build/R900XXS2DZG3

SM-R900 update history

SM-R900 started on Android 11 and has received 3 major Android upgrades; it now runs Android 16. The newest build, R900XXS2DZG3, was released on August 17, 2026 with the August 2026 security patch. Over the last 12 months SM-R900 received 13 builds, spread over 6 different months.

Device specifications

Launched with
Wear OS
Display diagonal
3.05 cm (1.2")
Display technology
OLED
Display resolution
396 x 396 pixels
RAM
1500 MB
Flash memory
16 GB
Battery capacity
284 mAh
Weight
28.7 g
Waterproof up to
50 m
Band colour
Pink gold

Specifications of SM-R900N, a regional variant of the same device. Chipset and SIM lines are left out: they can differ by region.

Changelog for SM-R900

• Security
The device is protected with improved security.

These changes may vary depending on the model, country, or network operator of the customer environment.

• Security
The device is protected with improved security.

These changes may vary depending on the model, country, or network operator of the customer environment.

• Security
The device is protected with improved security.

These changes may vary depending on the model, country, or network operator of the customer environment.

• Security
The device is protected with improved security.

These changes may vary depending on the model, country, or network operator of the customer environment.

• Stability and reliability
Device behavior has been improved.
• Security
The device is protected with improved security.

These changes may vary depending on the model, country, or network operator of the customer environment.

Show 25 older builds

• Stability and reliability
Device behavior has been improved.

These changes may vary depending on the model, country, or network operator of the customer environment.

• Stability and reliability
Device behavior has been improved.

These changes may vary depending on the model, country, or network operator of the customer environment.

• Stability and reliability
Device behavior has been improved.
• Security
The device is protected with improved security.

These changes may vary depending on the model, country, or network operator of the customer environment.

• Stability and reliability
Device behavior has been improved.
• Security
The device is protected with improved security.

These changes may vary depending on the model, country, or network operator of the customer environment.

One UI 8 Watch Upgrade
Get things done

Stay on top of important tasks with the Now bar
Check the information you need right now and start essential features straight from your watch face. Ongoing tasks will appear in the Now bar at the bottom of your watch face so you can check key information quickly.

Do more with double pinch
Just pinch your thumb and index finger together twice to scroll through notifications, control music, take pictures, and more. You can also customize what happens wh...

One UI 8 Watch Upgrade
Get things done

Stay on top of important tasks with the Now bar
Check the information you need right now and start essential features straight from your watch face. Ongoing tasks will appear in the Now bar at the bottom of your watch face so you can check key information quickly.

Do more with double pinch
Just pinch your thumb and index finger together twice to scroll through notifications, control music, take pictures, and more. You can also customize what happens wh...

• Stability and reliability
Device behavior has been improved.

These changes may vary depending on the model, country, or network operator of the customer environment.

• Stability and reliability
Device behavior has been improved.

These changes may vary depending on the model, country, or network operator of the customer environment.

• Stability and reliability
Device behavior has been improved.
• Security
The device is protected with improved security.

These changes may vary depending on the model, country, or network operator of the customer environment.

• Security
The device is protected with improved security.

• Stability and reliability
The stability has been improved.
• Security
The device is protected with improved security.

• Stability and reliability
The stability has been improved.
• Security
The device is protected with improved security.

One UI 6 Watch Upgrade
A new look for your watch

Discover new watch faces
Express your individual style with these new premium watch faces. Spatial Number provides an analog clock on top of large bold digits. Simple Digital is for people who prefer a minimalist design. Ultra Info Board lets you quickly check your workout information. You can find these watch faces in the new featured watch faces section of the Galaxy Wearable app. You can also browse watch faces by keyword including colors,...

One UI 6 Watch Upgrade
A new look for your watch

Discover new watch faces
Express your individual style with these new premium watch faces. Spatial Number provides an analog clock on top of large bold digits. Simple Digital is for people who prefer a minimalist design. Ultra Info Board lets you quickly check your workout information. You can find these watch faces in the new featured watch faces section of the Galaxy Wearable app. You can also browse watch faces by keyword including colors,...

• Stability and reliability
The stability has been improved.

• Workout Tracker Support
By connecting your Galaxy Watch to your Samsung TV, you can view workout data from your watch on your TV screen.
※ Supported products and connection requirements
. Supports Samsung TV/Smart Monitor/Projector/Life Style products that are newly released from 2024. However, this may vary depending on Samsung policy.
. It is supported on the condition that the same Samsung account is registered on both the Samsung TV and the Galaxy Watch.
. For more information, please v...

• Added the new Samsung Health Monitor App(Blood Pressure and ECG).
* Available on Galaxy smartphones with Android 9.0 and later.
※ The Blood Pressure app and/or ECG app in the Samsung Health Monitor is available in countries where a regulatory clearance, approval or certificate for each app has been obtained.
We expect that the number of countries where the Samsung Health Monitor to be available will continuously increase in the order of securing an appropriate regulatory clearance, approval or...

• Stability and reliability
The stability has been improved.

One UI 5 Watch Upgrade

Watch faces and tiles

• Add watch faces and tiles more easily
A new vertical layout makes it easier to find the watch faces and tiles that are right for you.

• Check the battery level of all your devices
The new Battery tile lets you quickly check the battery level of your watch, phone, and Galaxy Buds.

• Improved Buds controller tile
You can now turn 360 audio on and off from the Buds controller tile if your Buds support 360 audio.

• Quick access to timers
You can st...

One UI 5 Watch Upgrade

Watch faces and tiles

• Add watch faces and tiles more easily
A new vertical layout makes it easier to find the watch faces and tiles that are right for you.

• Check the battery level of all your devices
The new Battery tile lets you quickly check the battery level of your watch, phone, and Galaxy Buds.

• Improved Buds controller tile
You can now turn 360 audio on and off from the Buds controller tile if your Buds support 360 audio.

• Quick access to timers
You can st...

One UI 5 Watch Upgrade

Watch faces and tiles

• Add watch faces and tiles more easily
A new vertical layout makes it easier to find the watch faces and tiles that are right for you.

• Check the battery level of all your devices
The new Battery tile lets you quickly check the battery level of your watch, phone, and Galaxy Buds.

• Improved Buds controller tile
You can now turn 360 audio on and off from the Buds controller tile if your Buds support 360 audio.

• Quick access to timers
You can st...

• Samsung Health
The application will be updated to the latest version.
• Improved system stability and reliability
The stability has been improved.
• Some apps will be changed to deletable.
• The following features will have menus added to the Settings app and Camera app.
- Bixby : Settings →  Advanced features → Bixby Settings
- Recently used apps : Settings → Advanced features → Customize keys → Back key → Short press → Show recent apps
• Samsung Members
A new “Connected device diagnostic...

• Samsung Health
The application will be updated to the latest version.
• Improved system stability and reliability
The stability has been improved.

• Stability and reliability
The stability has been improved.

• Stability and reliability
The stability has been improved.

1 retail code (SKU)

Box codes of SM-R900 for different colors and markets. Firmware is chosen by the model code SM-R900 and your region (CSC), not by the SKU.

  • SM-R900NZDAEUA

Similar Models

Frequently Asked Questions

What is the latest Android version for SM-R900?

The newest firmware for SM-R900 runs Android 16: build R900XXS2DZG3, released on August 17, 2026.

When did SM-R900 get its last update?

The latest build for SM-R900, R900XXS2DZG3, was released on August 17, 2026 (2 months ago).

How often does SM-R900 get updates?

Over the last 12 months SM-R900 received 13 builds, with at least one new build in 6 different months.

Is the firmware for SM-R900 official?

Yes, all firmware files for SM-R900 are 100% official, original, and obtained directly from Samsung servers.

How to flash Samsung SM-R900 using Odin?

To flash SM-R900, you need to download the appropriate firmware, put your device into Download Mode, and use the Odin tool to load the BL, AP, CP, and CSC files.

Can I downgrade the Android version on SM-R900?

Downgrading is only possible if the bootloader version (binary bit) of the old firmware matches the current one. Always check the binary version before flashing SM-R900.