Galaxy Watch5

Download Samsung Firmware SM-R9150

Samsung Galaxy Watch5

The latest firmware for Samsung Galaxy Watch5 (SM-R9150) is R9150ZCS2DZG3 with Android 16, released on August 20, 2026 for 1 region (CSC). Every official firmware build for SM-R9150, newest first: one row per build with all regions (CSC) that received it.

Latest build
R9150ZCS2DZG3 https://samfirm.shop/build/R9150ZCS2DZG3 Android 16 · 2 months ago
Builds
10 builds
Regions (CSC)
1 region

Firmware builds for SM-R9150

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/R9150ZCS2DZG3

SM-R9150 update history

SM-R9150 started on Android 14 and has received 1 major Android upgrade; it now runs Android 16. The newest build, R9150ZCS2DZG3, was released on August 20, 2026 with the August 2026 security patch. Over the last 12 months SM-R9150 received 6 builds, spread over 5 different months.

Device specifications

Launched with
Wear OS
Display diagonal
3.56 cm (1.4")
Display technology
OLED
Display resolution
450 x 450 pixels
RAM
1500 MB
Flash memory
16 GB
Battery capacity
410 mAh
Weight
33.5 g
Waterproof up to
50 m
Band colour
Graphite

Specifications of SM-R915F, a regional variant of the same device. Chipset and SIM lines are left out: they can differ by region.

Changelog for SM-R9150

• 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.

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.

Show 12 older builds
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.
• 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
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,...

• Stability and reliability
The stability has been improved.

• 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...

• Samsung Health
The application will be updated to the latest version.
• Improved system stability and reliability
The stability has been improved.
• Samsung Members
A new “Connected device diagnostics” option has been added to check the proper performance of the Galaxy Watch's battery status, touch screen function, etc. on the connected phone.
※ Please update Samsung Members and Galaxy Wearable app to the latest versions for using the 'Connected device diagnostics' feature.

• Some apps will be changed to deletable.
• The following features will have menus added to the Settings app.
- Bixby : Settings →  Advanced features → Bixby Settings
- Recently used apps : Settings → Advanced features → Customize keys → Back key → Short press → Show recent apps
• New Camera Controller feature added
Change zoom on your phone camera remotely through pinching in or out on the screen, or through rotating the bezel.
※ This feature is only supported on flagship models released aft...

• Watch Face
Newly designed Ball Watch face is added.
• Stability and reliability
Stability codes applied to improve notifications and device behavior.

• Security
The device is protected with improved security.

Similar Models

Frequently Asked Questions

What is the latest Android version for SM-R9150?

The newest firmware for SM-R9150 runs Android 16: build R9150ZCS2DZG3, released on August 20, 2026.

When did SM-R9150 get its last update?

The latest build for SM-R9150, R9150ZCS2DZG3, was released on August 20, 2026 (2 months ago).

How often does SM-R9150 get updates?

Over the last 12 months SM-R9150 received 6 builds, with at least one new build in 5 different months.

Is the firmware for SM-R9150 official?

Yes, all firmware files for SM-R9150 are 100% official, original, and obtained directly from Samsung servers.

How to flash Samsung SM-R9150 using Odin?

To flash SM-R9150, 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-R9150?

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-R9150.